This week in The Space Review…
NASA administrator nominee Jared Isaacman finally had his confirmation hearing last week, where he was grilled by senators about his plans for the space agency. Jeff Foust reports that his belief that NASA can taken on many large programs, like human Moon and Mars efforts, simultaneously clashed with a budget that proposes steep cuts to NASA.
Monday, April 14, 2025
The top general of the US Space Force, Gen. Chance Saltzman, outlined an key theory of the service’s success two years ago, called “Competitive Endurance.” Brian Chow explores the critiques of that theory that have emerged since then.
Monday, April 14, 2025
In the second part of his history of the development of the ESPA payload adapter, Darren Raspa examines the early development of the EELV program that created an opportunity for secondary payloads and adapters for them.
Monday, April 14, 2025
Advances in space transportation provide opportunities for space commerce, but also create various risks. Norm Mitchell discusses some of those emerging opportunities and how they outweigh the risks.
Monday, April 14, 2025
Previous articles:
Should the United States continue with the Artemis campaign of missions to return humans to the Moon, or should it shift course to instead send humans to Mars? Doug Plata makes the argument that both are possible at the same time.
Monday, April 7, 2025
A payload adapter called ESPA has become a widely used standard for accommodating secondary payloads on launch vehicles. In the first of a three-part series, Darren Raspa examines the historical and other forces that set the stage for the the development of ESPA.
Monday, April 7, 2025
Last month, ESA formally shut down the Gaia space telescope out at the Earth-Sun L2 point. Laura Nicole Driessen explains the value of this underappreciated observatory and why its science is not yet done.
Monday, April 7, 2025
While some Mars exploration advocates think humans can be on the Red Planet in a matter of years, others are skeptical people can ever live there. Jeff Foust reviews a book that attempts to offer what it calls a “realistic” assessment of those plans.
Monday, April 7, 2025
In the 1970s, the US started launching a new series of ocean surveillance satellites called PARCAE. Dwayne Day examines the history of that program.
Monday, March 31, 2025
On Sunday, German launch vehicle startup Isar Aerospace launched its first Spectrum rocket, which crashed less than a minute after liftoff. Jeff Foust reports that the launch comes at a critical time for Europe’s launch industry, as they seek to demonstrate to European governments they can provide new ways to reach space.
Monday, March 31, 2025
The European Union is expected to take up in the coming weeks a new space law that will include provisions about space traffic management. Michael Gleason explains that this could reshape the global approach to space sustainability.
Monday, March 31, 2025
The Moonwalkers, a film and visual experience about Apollo, is playing in a limited run in Washington at the Kennedy Center. Jeff Foust reviews the film and the space-themed festival it is part of at the center.
Monday, March 31, 2025
A Crew Dragon returned from the International Space Station last week with four people on board, including two who arrived at the station last June on Starliner. Jeff Foust reports that political controversies over the astronauts’ return overshadowed the future of the spacecraft that took them to the station.
Monday, March 24, 2025
At the beginning of the Space Age, Boeing received an Air Force contract to study a design for a lunar base. Hans Dolfing examines what is known about the study, including how Boeing addressed the challenges of keeping a crew alive and well on the Moon.
Monday, March 24, 2025
It is impractical for a long-term mission to the Moon or Mars to take every tool and spare part they will need for their expedition. Sven Bilén describes how 3D printing can help solve that problem and address other challenges, including building habitats on other worlds.
Monday, March 24, 2025
The idea of piracy to space may seem like (bad) science fiction. Jeff Foust reviews a book that argues that now is the time to start thinking about criminal threats to space commerce.
Monday, March 24, 2025
Years after the demise of an initial group of asteroid mining startups like Deep Space Industries and Planetary Resources, new startups are pursuing plans to mine asteroids for metals and water. Jeff Foust reports those companies still face many of the same challenges, from technology to policy.
Monday, March 17, 2025
Some want the US to abandon a human return to the Moon and focus its resources on missions to Mars. Bhavya Lal argues that lunar exploration can accelerate, not delay, Mars settlement.
Monday, March 17, 2025
A United Nations committee has started work to examine coordination of lunar activities. Dennis O’Brien discusses how it is a step toward an international lunar governance model.
Monday, March 17, 2025
Companies like Firefly Aerospace and Intuitive Machines, which recently completed lunar lander missions, are at the vanguard of efforts to open up the Moon for commercial activities. Jeff Foust reviews a book that assesses the potential markets and applications for business on the Moon.
Monday, March 17, 2025
For more than 40 years, a secret line of satellites provided electronic intelligence capabilities for the US military, tracking radars and other transmitters. Dwayne Day examines new details about those efforts from recently declassified documents.
Monday, March 10, 2025
Two Texas-based companies landed on the Moon in less than a week, a sign of the growing space industry in the state. Jeff Foust reports on how the state government is working to support that industry with a new commission and hundreds of millions of dollars in funding.
Monday, March 10, 2025
In the early 1970s, European companies studied space tug concepts that could be used in junction with NASA’s Space Shuttle to launch payloads to higher orbits. Hans Dolfing explores what is known about two such concepts.
Monday, March 10, 2025
Earlier this year scientists announced the first results of studies of material from the asteroid Bennu returned by NASA’s OSIRIS-REx mission. Timothy McCoy and Sara Russell discuss how Bennu helped them link that asteroid with a class of meteorites and provide new insights into solar system development.
Monday, March 10, 2025
In the early morning hours Sunday, Firefly Aerospace’s Blue Ghost 1 spacecraft successfully landed on the Moon. Jeff Foust reports on a milestone for both the company and NASA’s efforts to support commercial lunar landers.
Monday, March 3, 2025
For decades, a satellite was on display at an Air Force museum with no details about its mission or even its name. Dwayne Day describes how newly declassified documents have finally identified that satellite.
Monday, March 3, 2025
Legislation passed nearly a decade ago was intended to ensure that US companies would own any asteroid resources they obtained. However, Camisha Simmons explains why issues with that law create uncertainty for those ventures that requires Congress to step in.
Monday, March 3, 2025
Some scientists have argued that the evolution of intelligent life on Earth required many “hard steps” that make it unlikely for it to have evolved elsewhere. Three researchers discuss how those hard steps might not be so hard after all.
Monday, March 3, 2025
SpaceX is set to conduct another Starship test flight as soon as the end of this week. Jeff Foust reports that, as the giant vehicle gets closer to operations, more people are thinking about both the potential uses of the vehicle and those where it may not be as competitive.
Monday, February 24, 2025
More than a century ago, the conservation movement sought to educate the public on the benefits of preserving the environment. Beverly and Robert Bachelder describe how similar education is needed to show the public the importance of preserving the space environment.
Monday, February 24, 2025
The commercial remote sensing industry has grown significantly as more companies offer high-resolution images of the Earth taken from space. Richard Carson examines some unresolved international space law issues of the field.
Monday, February 24, 2025
The growth of the space industry has generated plenty of hype, but far less rational analysis. Jeff Foust reviews a book that examines the industry’s rise rooted in the fundamentals of economics.
Monday, February 24, 2025
In the 1980s, the Soviet Union developed Buran, its version of the space shuttle. Dwayne Day and Harry Stranger examine how the CIA was likely able to track its development using satellite imagery.
Monday, February 17, 2025
The new Trump Administration appears unlikely to continue the National Space Council that it revived in its first term. Jeff Foust reports on what alternatives might be considered to provide a “whole-of-government” approach to space.
Monday, February 17, 2025
The space community is waiting to see what the new administration will do differently in space and what will stay the same. Karlton Johnson argues the administration should embrace innovation and regulatory reform in space.
Monday, February 17, 2025
The James Webb Space Telescope has become a critical tool for astronomers studying the solar system, galaxy, and the early history of the universe. Jeff Foust reviews a book that balances the science JWST has enabled with the challenges the mission encountered in its long development.
Monday, February 17, 2025
NASA states that the lunar Gateway is a key part of the overall Artemis effort to return humans to the Moon. Gerald Black disagrees, arguing that the Gateway is a diversion of resources if NASA is really serious about getting humans back on the lunar surface and going on to Mars.
Monday, February 10, 2025
There’s both a growing number of spaceports and a growing number of launches, but those launches are not equally distributed. Jeff Foust reports that the busiest spaceports are struggling to keep up while the rest struggle to make ends meet.
Monday, February 10, 2025
Two commercial lunar landers are on their way to the Moon with a third scheduled to launch later this month. Jatan Mehta explains why the companies operating those spacecraft should be more transparent about what constitutes success for their missions.
Monday, February 10, 2025
Black holes have been topics of many science and science fiction books over the years. Jeff Foust reviews a new book that offers another account of their development with a focus on the people who have advanced our understanding of them.
Monday, February 10, 2025
In the 1960s, a unit of General Motors was working on new vehicles—for the Moon. Dwayne Day explores the efforts by GM to develop rovers that could have flown on Surveyor missions that led to work by the company on the Apollo lunar rover.
Monday, February 3, 2025
NASA has four large optical or infrared space telescopes in various stages of development or operations, from the venerable Hubble to the future Habitable Worlds Observatory. Jeff Foust reports on the progress and challenges those observatories are facing.
Monday, February 3, 2025
A new documentary about Sally Ride premiered last week at the Sundance Film Festival. Jeff Foust notes the film is both about Ride becoming the first American woman in space as well as her long, and private, relationship with Tam O’Shaughnessy not revealed until after her death.
Monday, February 3, 2025
The Moon is much more than an object of scientific and exploration interest. Christopher Cokinos reviews a book that combines maps of the Moon with essays on many facets of the Moon.
Monday, February 3, 2025
Many people expected the Trump Administration to shake up NASA. Jeff Foust reports that while the space agency saw changes in the first week of the new administration, those had little to do with space policy.
Monday, January 27, 2025
In the second part of his examination of Russian eavesdropping stations, Bart Hendrickx reviews antennas at those sites and potential satellite targets of those stations.
Monday, January 27, 2025
Through the Cold War, the US launched a series of signals intelligence satellites, initially as hitchhikers on other launches. Dwayne Day links the later history of that program with an unusual object found at a California airport.
Monday, January 27, 2025
The new Trump Administration is reportedly considering major changes to NASA’s Artemis lunar exploration effort. Gerald Black argues one such change is to replace the Space Launch System and Orion with a version of Starship.
Monday, January 27, 2025
Russia’s intelligence services operate a network of ground stations to listen in on satellite communications. Bart Hendrickx discusses the history and current status of those facilities.
Monday, January 20, 2025
On the same day last week two companies performed test flights of heavy-lift rockets they have been developing. Jeff Foust reports on the launches and the contrasts in vehicle design and development approaches.
Monday, January 20, 2025
NASA’s Surveyor program landed several robotic spacecraft on the Moon in the 1960s. Dwayne Day examines one study to look at using Surveyor for a lunar sample return mission.
Monday, January 20, 2025
Last week, two Indian spacecraft docked with each other in low Earth orbit, a first for the country. Ajey Lele describes the milestone and its importance to India’s future space plans.
Monday, January 20, 2025
Last week, NASA announced it would study two different ways to pick up the samples the Perseverance rover is collecting on Mars and return them to Earth. Jeff Foust reports on the two approaches as well as interest by at least one company in an alternative.
Monday, January 13, 2025
There is speculation the Trump Administration may attempt to cancel the Space Launch System. Ajay Kothari offers an alternative architecture that could get humans back to the Moon without either SLS or Starship.
Monday, January 13, 2025
Some space advocates have argued that space settlement is vital to ensure the survival of humanity. Thomas Matula describes a scale for measuring the abilities of civilizations to survive that could be useful for space advocacy and for astrobiology.
Monday, January 13, 2025
There is renewed interest in lunar exploration, including the launch this week of two commercial lunar landers. Jeff Foust reviews a book that provides an overview of the history of lunar exploration, but focuses on many missions that never attempted to go to the Moon.
Monday, January 13, 2025
The ability to own space resources has been a long-running debate in space law. Michael Listner examines the legal concept of space resources at the national and international level.
Monday, January 6, 2025
NASA has bristled at the suggestion that astronauts Suni Williams and Butch Wilmore are “stranded” on the ISS even as their stay there is extended from a few weeks to more than eight months. Jeff Foust reports that the situation nonetheless highlights the importance some see in developing technologies and approaches when a real space rescue is needed.
Monday, January 6, 2025
Moonraker is not remembered as one of the great James Bond films, but its space theme is still warmly recalled by some fans. Dwayne Day describes how new products about the film have highlighted its strengths.
Monday, January 6, 2025
Summarizing the history of American spaceflight in one book requires hard choices on what to emphasize. Jeff Foust reviews a book that tackles that effort at an introductory level, going from Goddard to the present day.
Monday, January 6, 2025
Last week, NASA unveiled a long-term plan for robotic exploration of Mars, including work to prepare for later human missions. Jeff Foust reports on the plan as well as ongoing efforts to revamp the Mars Sample Return program.
Monday, December 16, 2024
As the US military makes growing use of commercial space capabilities, those commercial systems become targets for adversaries. Marc Berkowitz examines that challenge and potential measures to protect commercial satellites.
Monday, December 16, 2024
A contest is wrapping up this week to select the name for Canada’s first lunar rover. Gordon Osinski discusses the significance of this project and Canada’s history of rover development.
Monday, December 16, 2024
Alcohol is a key part of terrestrial society, so it’s only natural that people will want spirits in space as well. Jeff Foust reviews a documentary that examine several ways people and companies are looking to produce or consume alcohol in space.
Monday, December 16, 2024
NASA announced last week it had resolved the problem with the Orion heat shield seen on Artemis 1, allowing planning for Artemis 2 to continue, albeit with delays. However, Jeff Foust reports that the technical confidence the program now has may by undermined by political uncertainty.
Monday, December 9, 2024
As robotic space capabilities advance, the key purpose for having astronauts becomes seeing how humans can settle space. Joe Carroll explains why this means studying what it takes for humans to live sustainably in space.
Monday, December 9, 2024
Artificial gravity may be critical to understanding where people can live beyond Earth. Joe Carroll examines ways to start performing artificial gravity tests using existing spacecraft.
Monday, December 9, 2024
The search for life beyond Earth requires answering a significant but often overlooked question: how does one define life? Chris Impey discusses how scientists are tackling that issue.
Monday, December 9, 2024
The United States is not the only country wondering what the next administration will do in space policy. Jeff Foust reports that, in Europe, the prospect of changes in US-European space cooperation is fueling calls for the continent to invest more in space capabilities.
Monday, December 2, 2024
The space industry has struggled to develop financial models for funding removal of orbital debris even as the problem of debris worsens. Polina Shtern offers an approach that treats orbits as tollways to pay for debris cleanup.
Monday, December 2, 2024
The impacts of the incoming Trump Administration on space policy are still to be determined nearly a month after the election. Bleddyn Bowen and P.J. Blount discuss what could change and what might remain the same in the next administration.
Monday, December 2, 2024
Marc Garneau was a Canadian naval officer who became the country’s first person in space, and later went into politics. Jeff Foust review Garneau’s memoir that examines his time as an astronaut and a politician.
Monday, December 2, 2024
In the early 1970s, one company studied for the NRO a concept for a “rapid reaction” reconnaissance mission that could return images within 24 hours. Joseph T. Page II examines the concept and one danger it posed.
Monday, November 25, 2024
Many companies are developing lunar landers and other capabilities to support activities on and around the Moon. However, Jeff Foust reports there are questions about when a truly commercial lunar economy will emerge, versus companies funded by government programs.
Monday, November 25, 2024
Orbital, a novel set on the International Space Station, won the Booker Prize, one of Britain’s top literary prizes, this month. Aditya Chaturvedi argues that the novel captures the essence, and fragility, of life in space.
Monday, November 25, 2024
In the 1980s, thousands would travel to and camp out overnight at Edwards Air Force Base to watch landings by the shuttle. Jeff Foust reviews a book that captures those temporary communities in photos.
Monday, November 25, 2024
The next Starship test flight will be very similar to the previous one last month. But, as Jeff Foust reports, it is taking place in a changed political environment that could see the next administration lean heavily on that vehicle for the Moon and perhaps Mars.
Monday, November 18, 2024
The Woomera Manual is a document that outlines the rules that currently apply to national security activities in space. David Koplow describes the development of the manual and how it can be applied to issues that pose challenges to an incomplete legal regime in space.
Monday, November 18, 2024
When the British government decided to cancel the Blue Streak missile in the early years of the Space Age, it looked for ways to repurpose that technology in launch vehicles. Trevor Williams discusses those efforts and the problems they encountered.
Monday, November 18, 2024
Planetary defense has gone from a relatively fringe topic with little funding to one with NASA missions demonstrating the ability to change an asteroid’s orbit. Jeff Foust reviews a book that examines those efforts to detect and defend Earth from asteroids, and the need to do more.
Monday, November 18, 2024
In his conclusion about the construction of a shuttle launch pad at Vandenberg Air Force Base 40 years ago, Dwayne Day examines the various facilities planned there to be able to support a space shuttle launch.
Monday, November 11, 2024
In October, the US Commerce and State Departments published revisions to space export controls, the first major changes in a decade. Jeff Foust reports on the changes and the path ahead.
Monday, November 11, 2024
There is a growing sense of competition in spaceflight between the United States and its allies on one side and China on another. Aline Spyrka argues that the US needs to take the lead in creating peaceful precedents for space activities to prevent any race from becoming dangerous.
Monday, November 11, 2024
NASA and others are exploring the use of nuclear power to provide propulsion, as well as for surface operations. Ajay Kothari discusses how a single system could be able to serve both applications.
Monday, November 11, 2024
Thirty-five years ago, President George H.W. Bush announced the Space Exploration Initiative, only to have it soon crumble in part because of disputes between the White House and NASA. Jeff Foust reviews a new book that takes another look at the history of SEI and the challenges of organizational change.
Monday, November 11, 2024
Only in the last decade has the extent of US support for Great Britain in the Falklands War of 1982 emerged. Dwayne Day examines new evidence of that support in the form of reconnaissance satellite imagery of the Falklands as the war neared its conclusion.
Monday, November 4, 2024
Regardless of the outcome of the election, the next administration will have to deal with a NASA whose ability to carry out various missions is being degraded by aging infrastructure. Jeff Foust reports on a recent study on those problems and an ongoing effort by the agency to deal with that among other challenges.
Monday, November 4, 2024
Some have argued that Vice President Kamala Harris has not done enough in space policy in her role as chair of the National Space Council. Jonathan Coopersmith argues that Harris sets herself apart from Trump on the topic in several ways.
Monday, November 4, 2024
There may be vast differences in policies in the next administration in many areas depending on who wins Tuesday’s presidential election. Thomas G. Roberts explains why, in the area of space, one should expect stability and continuity regardless of who wins.
Monday, November 4, 2024
In the 1970s the Air Force decided to convert Space Launch Complex 6 at Vandenberg Air Force Base into a shuttle launch pad. Dwayne Day discusses that effort as described in some recently discovered concept art from that era.
Monday, October 28, 2024
In the early 1960s, the US Air Force examined a range of options for a military space station before settling on what would become the Manned Orbital Laboratory. Hans Dolfing discusses what some of those other concepts were based on archived reports.
Monday, October 28, 2024
At the International Astronautical Congress earlier this month, one company outlined its plans for a future commercial space station to support NASA and other customers. Jeff Foust report that NASA also used the conference to describe what it is thinking about in terms of how it will use those stations.
Monday, October 28, 2024
In the conclusion of her examination of the tradeoffs of extending satellite lifetimes versus mitigating orbital debris, Marissa Herron looks at the processes by which NASA decides to continue some science missions and the role that adherence to debris mitigation guidelines plays there.
Monday, October 28, 2024
After decades of development, the James Webb Space Telescope is now in routine operations, its past problems now largely forgotten. Jeff Foust reviews a book that provides images of its development and the science it is now producing.
Monday, October 28, 2024
The James Webb Space Telescope has demonstrated the ability to develop a large space telescope that can operate in the infrared without the need for life-limiting consumables like liquid helium. Harley Thronson describes how this concept had its origins in concepts for smaller infrared space telescopes developed in Britain more than three decades ago.
Monday, October 21, 2024
Satellite operators face tough decisions with aging satellites, balancing continuing the services they provide against the need to deorbit them to avoid creating more orbital debris. Marissa Herron examines those competing factors and offers case studies of how NASA has made those decisions for some of its missions.
Monday, October 21, 2024
Last week’s International Astronautical Congress attracted a record crowd to talk about the latest advances in spaceflight, a sign many see of growing interest in the topic. Jeff Foust reviews two books, though, that take a more critical assessment of human spaceflight and commercial use of space.
Monday, October 21, 2024
A exhibit that recently closed at the Reagan Library and Museum linked Star Wars, the movie franchise, with “Star Wars,” the nickname associated with the Strategic Defense Initiative (SDI). Dwayne Day explores the exhibit’s attempt to describe the legacy of SDI.
Monday, October 14, 2024
ESA last week launched its Hera mission to the same asteroid that NASA’s DART spacecraft collided with two years ago. Jeff Foust reports on the struggles the Hera project faced getting the spacecraft launched, from funding challenges to a hurricane.
Monday, October 14, 2024
The rhetoric around a new “space race” between the US and China has only grown stronger in the last year. Art Cotterell argues that competition should be tempered with some degree of cooperation.
Monday, October 14, 2024
Within 15 years, SpaceX went from being an upstart teetering on the edge of failure to perhaps the most dominant space company in the world. Jeff Foust reviews a book that charts the company’s rise while raising concerns about its future.
Monday, October 14, 2024
ULA conducted a second launch of its Vulcan Centaur rocket last week, which the company declared a success despite an issue with one of its solid rocket boosters. Jeff Foust reports on that launch as well as efforts to get it, and two other new rockets, flying more frequently.
Monday, October 7, 2024
Gherman Titov paid an extended visit to the United States in 1962, a year after becoming the second Soviet cosmonaut to go to space. Dwayne Day discusses the visit and the questions raised about it from a newly declassified memo.
Monday, October 7, 2024
Launched 65 years ago this month, the Soviet Union’s Luna 3 provided humanity with its first look at the far side of the Moon. Trevor Williams examines the mission and the role it played in advancing orbital mechanics as well.
Monday, October 7, 2024
Cubesats have evolved over the years from student projects and technology demos to spacecraft capable of carrying out major missions. Mustafa Aksoy describes how that expands to include their use in space science missions.
Monday, October 7, 2024
On Monday morning, the Office of Space Commerce formally started the first phase of its long-awaited space traffic coordination system, called TraCSS. Jeff Foust reports on the milestone and its implications.
Monday, September 30, 2024
After NASA decided to return the Starliner spacecraft uncrewed, the two astronauts who flew to the International Space Station on it found themselves in a form of limbo. Deana Weibel describes how events like a change-of-command ceremony helped integrate them into their new roles as long-duration ISS crewmembers.
Monday, September 30, 2024
In the second part of his history of British aerospace company Saunders-Roe, Trevor Williams looks at the company’s role in the development of a launch vehicle, Black Arrow, that was later cancelled by the British government.
Monday, September 30, 2024
Cady Coleman was a NASA astronaut for more than 20 years, flying on two shuttle missions and a long-duration trip to the International Space Station. Jeff Foust reviews a book by Coleman that is both a memoir of her astronaut career and one that provides lessons for those firmly rooted on the ground.
Monday, September 30, 2024
During the Cold War, the US intelligence community was able to track the development a major new Soviet warship class using satellite imagery. Dwayne Day describes how those images helped analysts provide key insights into the building of the Kirov.
Monday, September 23, 2024
SpaceX says that its next Starship vehicle is ready for launch but that the FAA won’t be able to provide a license for it until November. Jeff Foust reports on an increasingly strident dispute between SpaceX and the FAA amid broader industry concerns about the launch licensing process.
Monday, September 23, 2024
The Isle of Wight, just off the coast of England, is known for shipbuilding and holidays, but also has played a role in aerospace. Trevor Williams examines efforts by one aerospace company there after World War II that led to the development of aircraft and a launch vehicle.
Monday, September 23, 2024
A hostage crisis in space sounds like something out of science fiction, but the growth of commercial space capabilities could one day make it fact. Three experts examine how such a crisis might emerge and what the US government can do to prepare for it.
Monday, September 23, 2024
A recently concluded agreement makes it easier for American companies to launch from Australia. Four experts describe the benefits of that agreement but also the obstacles Australia faces to host American launches.
Monday, September 16, 2024
Six years ago, the UK government kicked off an effort to create a domestic launch capability. Today, reports Jeff Foust, that capability is struggling to emerge as companies suffer technical and financial setbacks.
Monday, September 16, 2024
The Polaris Dawn private astronaut mission successfully returned to Earth Sunday after five days in space, carrying out the first commercial spacewalk. Ajey Lele examines its advance in space commercialization versus challenges in other areas.
Monday, September 16, 2024
As major space powers accelerate their activities, developing countries worry about being left behind. Aritra Ghosh argues that such emerging space nations need to take care of their own interests in space.
Monday, September 16, 2024
Boeing’s CST-100 Starliner spacecraft returned to Earth Friday night after three months in space, but without the astronauts who were on it when it launched in June. Jeff Foust reports on NASA’s decision to bring Starliner back uncrewed and its implications for the agency and for Boeing.
Monday, September 9, 2024
NASA’s decision to keep Starliner astronauts Butch Wilmore and Suni Williams on the space station through early next year poses headaches for the agency and the astronauts themselves. Matthew Ormsbee examines the space law implications of “stranded” astronauts on a commercial mission.
Monday, September 9, 2024
NASA erred on the side of safety when it decided to bring back Starliner uncrewed. Roger Handberg argues that the agency needs to start thinking of backup options if Starliner isn’t a viable long-term option.
Monday, September 9, 2024
The Soviet space program achieved many firsts in the early space age, but also had many setbacks and tragedies. Jeff Foust reviews a book that offers a history of that program, but breaks little new ground about that era.
Monday, September 9, 2024
As soon as late this week SpaceX will launch the Polaris Dawn private astronaut mission. Jeff Foust reports on the key objectives and challenges facing this mission, including the first spacewalk on a non-governmental spaceflight.
Tuesday, September 3, 2024
The Indian government has bold plans for its space agency, including development of a space station and human lunar landings. Namrata Goswami examines where the country’s space program is excelling and where it is falling short.
Tuesday, September 3, 2024
Cybersecurity of space systems is a growing concern as society becomes increasingly reliant on space services. Patrick Lin discusses how a recent study sought to explore a wide range of space-related cyberattacks to help defend against them.
Tuesday, September 3, 2024
Astronomical studies don’t always go according to plan, from cosmic surprises to terrestrial mistakes. Jeff Foust reviews a book that examines how some of the astronomical accidents have led to discoveries about the universe.
Tuesday, September 3, 2024
There are growing perceptions of a new race to the Moon between China and the United States. James Clay Moltz assesses the approaches the two countries are taking to lunar exploration and sees an advantage in the international partnerships of Artemis.
Monday, August 19, 2024
The biggest news from this month’s Smallsat conference in Utah was that the conference was moving to a larger venue in a larger city. Jeff Foust reports this parallels the growth in the smallsat industry, and of smallsats themselves.
Monday, August 19, 2024
NASA is weighing different approaches to its Mars Sample Return program to lower its costs and speed up the return of samples. Dale Skran advocates for an approach that ties the effort more closely to future human exploration of the Red Planet.
Monday, August 19, 2024
Modern space law is built om foundations established more than 50 years ago. Roger Quinland provides an overview of those treaties and rules and some of the challenges they face today.
Monday, August 19, 2024
Boeing’s CST-100 Starliner is still docked to the International Space Station, more than two months into a stay originally planned to be as short as eight days. Jeff Foust reports on the ongoing discussions at NASA about whether the spacecraft can safely return to Earth with astronauts on board or if the agency will need a backup plan.
Monday, August 12, 2024
Using satellite imagery to track the development of aircraft carriers has more than historical significance. Dwayne Day explores how commercial satellite imagery is being used by open-source analysts to track China’s development of new carriers.
Monday, August 12, 2024
In the early 1960s, the US Air Force awarded contracts to several companies to study concepts for a military space station. Hans Dolfing examines what the companies proposed for those stations and what experiments the Air Force considered performing on them.
Monday, August 12, 2024
NASA’s plans to deorbit the International Space Station at the end of its life have sparked criticism from those who would like to preserve it in some way. Madhu Thangavelu makes the case for a space museum to preserve the ISS and other historic spacecraft for future generations.
Monday, August 12, 2024
Some in the space community have pushed for the United States to more closely cooperate with China in space. Mariam Kvaratskhelia argues that the United States is doing enough given what each country has to gain from any new civil space partnership.
Monday, July 29, 2024
Both the number of satellites and debris objects in low Earth orbit is increasing, showing the need to tackle a growing problem. Jeff Foust reports, though, that realizing there is a problem is easier than trying to solve it.
Monday, July 29, 2024
NASA is pressing ahead with plans to deorbit the International Space Station at the end of the decade, recently awarding SpaceX a contract for a deorbit vehicle. Ajay Kothari describes how the station could be saved in a higher orbit for potentially far less money.
Monday, July 29, 2024
The International Astronautical Congress is one of the biggest annual conferences in the space field, attracting 10,000 people. But, Brian Harvey states, the organizers are for some reason making harder for the media to cover what goes on there.
Monday, July 29, 2024
Living in space today requires roughing it in ways like extreme camping. Jeff Foust reviews a book that examines what it would take to make living in space a little more comfortable, from a freshly prepared meal to a shower.
Monday, July 29, 2024
NASA announced last week it was cancelling VIPER, a robotic lunar rover mission, a move that took some by surprise given that the rover was virtually complete after spending nearly half a billion dollars. Jeff Foust reports on why NASA is walking away from the mission and its implications for commercial lunar landers.
Monday, July 22, 2024
There is growing concern about the effect of jamming of GPS signals on sectors like aviation. Lauren Miller describes how those concerns can be mitigated by the use of backup systems even as some countries consider doing away with terrestrial alternatives to satellite-based navigation.
Monday, July 22, 2024
Both China and Russia have invested in new signals intelligence, or SIGINT, satellites to eavesdrop on Western communications and specifically for naval reconnaissance. Matthew Mowthorpe examines what is known about those satellites.
Monday, July 22, 2024
The Challenger disaster is a familiar tale for those in the space community, a warning about both technology and institutions. Jeff Foust reviews a new book that is less about uncovering new details about the accident than about putting the failures that led to the tragedy in perspective.
Monday, July 22, 2024
After more than 300 consecutive successful launches, a Falcon 9 suffered an in-flight anomaly last week, dooming its payload of Starlink satellites. Jeff Foust reports on the failure and its implications for a space industry that had become increasingly reliant on that vehicle.
Monday, July 15, 2024
Starting in the 1960s, US spy satellites took images of American aircraft carriers as a test of its ability to track Soviet ships. Dwayne Day examines some of those images have have been released from government archives.
Monday, July 15, 2024
One of the major rulings by the US Supreme Court last month was to repeal a practice known as “Chevron Deference” regarding the ability of agencies to enact regulations. Michael Listner examines what it means for orbital debris rules.
Monday, July 15, 2024
When Bulgaria signed the Artemis Accords last year, it was more than the country signaling its interest in sustainable space exploration. Svetoslav Alexandrov explains how it also showed that the country was signaling a break from its history in spaceflight.
Monday, July 15, 2024
As Ariane 6 approaches the launch pad for its inaugural launch, some wonder if it and other vehicles stand a chance against SpaceX’s Starship. Jeff Foust reports on how companies are making the cases for their rockets while, in some cases, keeping a close eye on Starship development.
Monday, July 8, 2024
In the conclusion of his examination of the Thor rocket’s legacy at Vandenberg, Dwayne Day provides a gallery of launches of that rocket from there in the early Space Age.
Monday, July 8, 2024
Commercial space activities have opened new opportunities, but also created a backlash. Tony Milligan discusses how those activities, and the people behind them, have sparked criticism from people who see spaceflight as only an “elite pastime” that should be curtailed.
Monday, July 8, 2024
This week marks the 62nd anniversary of Starfish Prime, a US nuclear weapons test in space that had impacts both on satellites and the ground. Ajey Lele notes this anniversary carries renewed interest given claims Russia is developing a space nuclear weapon.
Monday, July 8, 2024
Original plans called for Boeing’s CST-100 Starliner to spend as little as eight days at the International Space Station, but its stay is now likely to last well over a month. Jeff Foust reports on the issues causing the extension and the difficulties communicating them to the public.
Monday, July 1, 2024
In the second part of a series about the Thor rocket, Dwayne Day looks at operations of the Thor at Vandenberg Air Force Base and its legacy as a workhorse of the American space program for decades.
Monday, July 1, 2024
NASA and others are doing research on the space station to improve the health of astronauts for long stays in space. Dylan Taylor notes such research has potential benefits extending the lives of people on Earth.
Monday, July 1, 2024
The space community has become more diverse, and brings with it new viewpoints and concepts. Jeff Foust reviews a book that offers an eclectic collection of essays on the topic of space and feminism, from art and architecture to astronaut interviews.
Monday, July 1, 2024
Last week marked the 20th anniversary of the first commercial suborbital human spaceflight by SpaceShipOne, a milestone that at the time appeared to open a new era. Jeff Foust reports on how instead the field faces an uncertain future as spaceflight goes in other directions.
Monday, June 24, 2024
The Thor missile turned into a workhorse launch vehicle for the Air Force in the early years of the space program, evolving into the Delta. Dwayne Day describes those initial operations of Thor at Vandenberg Air Force Base thanks to new images of activities there.
Monday, June 24, 2024
There remains optimism for future commercial space markets, from commercial space stations to mining space resources. Roger Handberg argues those plans ignore the fact that the space industry has been built on providing data services to Earth.
Monday, June 24, 2024
The space shuttle represented not just a change in accessing space but also how NASA interacted with the public. Jeff Foust reviews a book that examines how the agency sought to involve the public more in spaceflight to help secure its support.
Monday, June 24, 2024
In early 1959, crews were preparing for what was to be the first orbital launch attempt from Vandenberg Air Force Base when things went wrong, with nearly tragic results. Dwayne Day examines the near-explosion on the pad and how it shaped the Air Force’s space engineering processes.
Monday, June 17, 2024
Ten countries have signed the Artemis Accords so far this year, as many as signed all of last year. Jeff Foust reports on what is driving the growing interest in the document outlining best practices for responsible space exploration.
Monday, June 17, 2024
A new surge of government and commercial space activity is opening up the Moon for exploration and development. But, Martin Elvis warns, that activity would interfere with aspects of the Moon that make it an ideal outpost for astronomy.
Monday, June 17, 2024
The history of spaceflight offers plenty of material for makers of documentaries, but so does the frenzied modern era. Jeff Foust reviews two documentaries screened at a recent film festival, one on Apollo 13 and the other on the commercial space race of today.
Monday, June 17, 2024
During the Cold War, the NRO explored options for obtaining reconnaissance photos rapidly in a crisis, most of which relied on existing launch systems. Joseph Page discusses one concept that would have instead involved a “Franken-rocket” launched from a fighter jet.
Monday, June 10, 2024
NASA announced last week it is changing how it operates the Hubble Space Telescope after one of its three remaining gyros malfunctioned. Jeff Foust reports on efforts to keep the telescope running as long as possible as the debate about a private servicing mission reached a crescendo.
Monday, June 10, 2024
An Indian startup successfully carried out a suborbital test of a launch vehicle last month. Jatan Mehta cautions that, despite this milestone, Indian companies face many obstacles entering the commercial launch industry.
Monday, June 10, 2024
There is a growing interest among some companies in setting up power-intensive data centers in orbit. Lawrence Furnival examines some of the technical and financial issues regarding the concept.
Monday, June 10, 2024
After years of delays, Boeing and NASA appeared ready to finally launch astronauts on the company’s Starliner spacecraft, until they ran into another set of problems. Jeff Foust reports on the latest delays for a program that has suffered more than its share of problems.
Monday, June 3, 2024
There has been little progress at the United Nations on space security issues, as seen in a pair of recent Security Council debates. Ajey Lele argues that space security is being held hostage to geopolitics among China, Russia, and the United States.
Monday, June 3, 2024
Two meetings earlier this year examined governance issues regarding space resources. Dennis O’Brien offers his notes from those meetings and the potential for coming to agreement on a regime covering their use.
Monday, June 3, 2024
The World War II-era carrier USS Hornet played a role in space history by serving as the recovery ship for Apollo 11 and 12. Dwayne Day reviews a book about the carrier that includes rare photos of its work on those missions.
Monday, June 3, 2024
Last week marked the fifth anniversary of the first SpaceX launch dedicated to its Starlink constellation, which now has more than 6,000 satellites in orbit. Jeff Foust reports on how Starlink has, over those five years, had impacts from business to geopolitics.
Tuesday, May 28, 2024
A recent four-part documentary examined the shuttle Columbia accident and its aftermath. Dwayne Day discusses how that show overlooked one key aspect of it: the investigation into the accident that uncovered its technical and other causes.
Tuesday, May 28, 2024
When Ed Dwight flew on a Blue Origin suborbital flight earlier this month, it was billed as the fulfillment of a quest that started more than six decades ago. John Logsdon examines Dwight’s role as what many have called the first Black astronaut candidate.
Tuesday, May 28, 2024
Some have argued that planetary protection protocols, designed to prevent humans from contaminating other worlds and vice versa, are outdated. Dylan Taylor argues that planetary protection remains vital even in a new era of space exploration.
Tuesday, May 28, 2024
In the second part of his examination of Russian research into counterspace weapons, Bart Hendrickx examines work on alternative concepts like plasma and electromagnetic pulse weapons.
Monday, May 20, 2024
What sort of infrastructure is needed on the Moon to enable visions of a lunar economy? Jeff Foust reports on a DARPA study that brought together companies to develop an ecosystem of lunar services, although who will pay for it is less certain.
Monday, May 20, 2024
Objects in satellite catalogs can be lost and recovered, making it a challenge to identify which object came from which launch. Charles Phillips describes one approach that uses one aspect of an object’s orbital elements to help identify it.
Monday, May 20, 2024
The Strategic Defense Initiative was a controversial program decades ago to develop a space-based missile defense system. Jeff Foust reviews a book that provides a new history of SDI and lessons it offers to today’s debates about missile defense and anti-satellite weapons.
Monday, May 20, 2024
US government officials revealed in February that Russia was developing a nuclear anti-satellite weapon of some kind, but offered few details. Bart Hendrickx examines the state of Russian research on the potential use of nuclear weapons in orbit as anti-satellite devices.
Monday, May 13, 2024
As commercial launch activity continues to increase, the FAA office regulating launches is straining to keep up. Jeff Foust reports that some in industry, as well as an FAA advisory committee, think part of the solution is to move that office out of the FAA.
Monday, May 13, 2024
Launch vehicles that can take off from and land on runways have long been a dream for space engineers and enthusiasts, but have never gotten off the ground. John Hollaway describes why they remain essential and how they might be developed.
Monday, May 13, 2024
Astronomers have discovered thousands of exoplanets over the last three decades, a remarkable menagerie of worlds. Jeff Foust reviews a book by one scientists that describes the efforts to both search for exoplanets and look for one that may be inhabitable or inhabited.
Monday, May 13, 2024
Ongoing space access problems forced Europe to use a Falcon 9 to launch a pair of Galileo navigation satellites recently. Jeff Foust reports that the “launcher crisis” plaguing Europe shows signs of ending.
Monday, May 6, 2024
As soon as Monday night Boeing will launch its CST-100 Starliner on its first crewed flight. Wendy Whitman Cobb discusses why this long-delayed flight is nonetheless a key development for commercial spaceflight.
Monday, May 6, 2024
A piece of debris jettisoned from the International Space Station hit a house in Florida in March. Thomas Cheney describes how space debris can play a growing risk not just in orbit but also on the ground, testing international space law.
Monday, May 6, 2024
Last September NASA’s OSIRIS-REx spacecraft successfully returned samples from the asteroid Bennu, seven years after its launch. Jeff Foust reviews a book by the mission’s principal investigator that describes the long effort to develop the mission and how it overcame obstacles along the way.
Monday, May 6, 2024
Mars scientists hoped they would have a better idea of when and how they would get samples back from Mars after NASA completed an internal study of the Mars Sample Return program. Instead, as Jeff Foust reports, NASA is now turning to industry for help on how to reduce the costs and accelerate the schedule of MSR.
Monday, April 29, 2024
In the 1970s, US intelligence analysts were concerned about Soviet lasers intended to illuminate American satellites. Dwayne Day examines how the CIA attempted to study those efforts with a telescope in Iran, only to be thwarted by the revolution there.
Monday, April 29, 2024
China is scheduled to launch later this week Chang’e-6, the first mission to attempt to return samples from the far side of the Moon. Carlos Alatorre explores what is driving the country’s efforts to go to lunar farside and bring back samples.
Monday, April 29, 2024
Some argue that the Outer Space Treaty, drafted at the height of the Cold War, is outdated in an era where there are more countries and companies operating in space. Jeff Foust reviews a book that tries to make that case, turning to history and treaties in other fields.
Monday, April 29, 2024
NASA sent its final commands to the Ingenuity Mars helicopter last week, three months after the helicopter’s final flight. Will Pomerantz describes the remarkable achievements of Ingenuity and its influence on future missions.
Monday, April 22, 2024
Earlier this month NASA announced a new Space Sustainability Strategy that outlines how the agency would address the growing threats posed by orbital debris. Jeff Foust reports on the strategy, which initially emphasizes getting a grasp on the problem rather than technological solutions.
Monday, April 22, 2024
Years before Yuri Gagarin went into orbit or Neil Armstrong walked on the Moon, the Belgian cartoon character Tintin did the same. Anusuya Datta looks at Tintin’s exploits and how the cartoonist Hergé was able to make the journey realistic.
Monday, April 22, 2024
The Moon continues to compel our interest, both individually and as a society, even as our knowledge of it changes. Jeff Foust reviews a book that offers a history of our studies of the Moon intertwined with the author’s own experiences with our celestial neighbor.
Monday, April 22, 2024
Astronauts on the first Artemis landing missions will be on foot, but later on could have their choice of vehicles to roam across the lunar terrain. Jeff Foust reports on the latest milestones in the development of lunar rovers with commercial and international partners.
Monday, April 15, 2024
Decades ago, FARRAH was not just the name of a famous actress but also of a classified satellite program. Dwayne Day examines what is known about FARRAH (the satellite) after a model of it appeared at a museum.
Monday, April 15, 2024
A “learning period” that has restricted regulation of commercial human spaceflight in the US for nearly two decades could soon be ending. David Gillette and Emma Rohrbach argue that the learning period supported innovation in ways that could be extended to other fields.
Monday, April 15, 2024
In the early 1960s, the United States and Soviet Union tested nuclear weapons in space, with disastrous results for many satellites in orbit at the time. Michael Mulvihill discusses those tests and why they show the perils of a potential Russian nuclear ASAT weapon.
Monday, April 15, 2024
While the US started operating electro-optical reconnaissance satellites in the mid-1970s, it continued to launch film-return satellites for another decade. Dwayne Day examines why those systems overlapped based on newly declassified documents.
Monday, April 8, 2024
Recent observations showed a North Korean satellite launched last year has changed its orbit, demonstrating it is operational. Marco Langbroek shows how those observations indicate that the maneuvers are being commanded by a specific facility in North Korea.
Monday, April 8, 2024
In the concluding part of their examination of space rescue capabilities, Benjamin Johnis and Peter Garretson offer some space rescue scenarios and policy recommendations to ensure US leadership in this emerging area.
Monday, April 8, 2024
Sound may not travel through the vacuum of space, but music is at the heart of many movies and shows about spaceflight. Jeff Foust reviews a book that examines the history of space soundtracks as well as real music in space.
Monday, April 8, 2024
NASA’s fiscal year 2025 budget request released last month proposed delays and cutbacks for a number of science missions, including the long-running Chandra and Hubble space telescopes. Jeff Foust reports on how astronomers are worried that the proposed cuts to Chandra in particular could threaten the future of both the telescope and X-ray astronomy.
Monday, April 1, 2024
Europe’s Euclid space telescope launched last year includes an artwork featuring the literal fingerprints of hundreds who worked on the mission. Artist Lisa Pettibone describes the creation of that piece and the value of combining art and science.
Monday, April 1, 2024
As human activities grow in space, there will be requirements to rescue personnel just as on Earth. Benjamin Johnis and Peter Garretson describe why it is vital for the US military to start examining its roles in space rescue now before China establishes its rules.
Monday, April 1, 2024
Next week, millions across North America will watch a total solar eclipse, which means they’ll be watching the Moon. Jeff Foust review a book that offers an expansive exploration of the Moon and its effects on our planet and ourselves.
Monday, April 1, 2024
With the first two commercial lunar lander missions by US companies in the books, NASA and industry are taking stock of what worked and what didn’t. Jeff Foust reports on those analyses as NASA charts the future of the Commercial Lunar Payload Services program.
Monday, March 25, 2024
In the concluding portion of his two-part essay, Cody Knipfer examines the potential benefits, and drawbacks, of a naming competition for elements of NASA’s Artemis lunar exploration campaign.
Monday, March 25, 2024
Comments last month by the chairman of the House Intelligence Committee led to revelations that Russia was developing some kind of nuclear antisatellite weapon. Brian Chow argues similar awareness is needed among policymakers about growing Chinese antisatellite capabilities.
Monday, March 25, 2024
Through four seasons, the television show “For All Mankind” has crafted a very different history of NASA and space exploration. Val Nolan describes how it also serves as a vehicle for telling very personal stories.
Monday, March 25, 2024
SpaceX conducted the third integrated test flight of its Starship/Super Heavy vehicle last week, going further and faster than before. Jeff Foust reports on the company’s progress on the vehicle but also its need to move even faster in its development.
Monday, March 18, 2024
The Texas state government has reestablished a space commission more than two decades after the previous one was shut down. Thomas Matula argues that a priority for the new commission should be to establish a launch site for the state’s growing space industry.
Monday, March 18, 2024
Names carry with them meanings, be they for people or spaceflight programs. In the first of two-part essay, Cody Knipfer looks at the history of how NASA has named its various programs and missions.
Monday, March 18, 2024
NASA and others have studied the effects of isolation and confinement in long-duration spaceflight. Jeff Foust reviews a documentary that examines the subject from the perspectives of astronauts and others interested in eventually going to Mars.
Monday, March 18, 2024
The Centaur upper stage has become a key element for a series of launch vehicles, most recently the Vulcan. But as Trevor Williams describes, it suffered problems during its origins more than six decades ago.
Monday, March 11, 2024
The Indian government last month revealed the identities of the four test pilots who have been training for the Gaganyaan human spaceflight program. Jatan Mehta provides an update on the state of that program.
Monday, March 11, 2024
Going to Mars involves many technical challenges, but another set of issues involves how crews will work together in confined spaces far from Earth for years at a time. Nick Kanas examines some of those problems and potential solutions.
Monday, March 11, 2024
SpaceX is developing Starship with the long-term goal of transporting people to Mars, but what happens once they get there? Jeff Foust reviews a book by a long-time Mars settlement advocate that tries to explain how and why people would live on Mars.
Monday, March 11, 2024
Many in the West had written off a North Korean reconnaissance satellite launched last November as a failure. Marco Langbroek describes how the satellite appears to be alive after recent maneuvers.
Monday, March 4, 2024
While current telescopes, on the ground and in space, are revealing new insights about the universe, astronomers have plans for even more ambitious observatories. Jeff Foust reports on the progress and problems those efforts face.
Monday, March 4, 2024
The United States has by far the largest government space program, but is not without its challenges. Namrata Goswami examines the current states of government space policies and strategies, as well as problems and missed opportunities.
Monday, March 4, 2024
Richard Truly, a former NASA astronaut and, later, administrator, passed away last week. Emily Carney recalls his life from the perspective of seeing his first shuttle launch.
Monday, March 4, 2024
Last week Intuitive Machines became the first company to land a spacecraft on the surface of the Moon, but the spacecraft ended up on its side with limited power and communications. Jeff Foust reports on the landing and in what ways it can be considered a success.
Monday, February 26, 2024
During much of the Cold War a US Air Force unit operated a nuclear ASAT installation on distant Johnston Island. Dwayne Day examines the history of that facility as revealed in a newly uncovered set of images.
Monday, February 26, 2024
As society makes greater use of space-based capabilities, those satellites become increasingly vulnerable to cyberattacks. Sylvester Kaczmarek discusses evolving space cyber threats and the need for global cooperation to address them.
Monday, February 26, 2024
Concerns about the prospects of space warfare grew earlier this month amid reports that Russia was developing some kind of nuclear ASAT. Jeff Foust reviews a book that examines the concepts of war in space using an approach likely best appreciated by those in the military.
Monday, February 26, 2024
Some in the space industry have long believed that reusable rockets could tap a large market for high-speed point-to-point transportation. Jeff Foust reports on how the US military is exploring a “Rocket Cargo” program that could do just that, if it can overcome technical and other obstacles.
Monday, February 19, 2024
New Mexico’s Spaceport America is facing a lull in activity when Virgin Galactic stops VSS Unity flights later this year while developing a new line of suborbital spaceplanes. Thomas Matula argues this shows the flaws in the approach the state took to develop the spaceport as compared to the original visions for the site.
Monday, February 19, 2024
On Saturday, India launched its latest geosynchronous orbit weather satellite. Ajey Lele describes the evolution of India’s weather satellites over the last several decades and whether the country’s current capabilities are sufficient.
Monday, February 19, 2024
It’s been more than 40 years since Guy Bluford became the first Black American in space, the culmination of efforts dating back more than two decades. Jeff Foust reviews a new documentary that profiles some of the first Black men who sought to become NASA astronauts.
Monday, February 19, 2024
Concerns about the budget and plans for NASA’s Mars Sample Return (MSR) program came to a head last week when JPL laid off more than 500 employees, citing budget uncertainty about the program. Jeff Foust reports on the issues that have put the future of MSR into question for some.
Monday, February 12, 2024
A precursor to GPS was the Transit series of navigation satellites, dating back more than 60 years. Dwayne Day discusses some of the early Transit satellites that used nuclear rather than solar power.
Monday, February 12, 2024
The first lunar lander by Intuitive Machines is scheduled to launch this week, carrying NASA and commercial payloads. Jack Burns describes one of the NASA instruments on the IM-1 lander and the value of commercial access to the lunar surface.
Monday, February 12, 2024
The Space Shuttle was the biggest effort to develop a spaceplane that sough to make spaceflight as routine as aviation. Jeff Foust reviews a new history of the shuttle program that puts the vehicle into that broader context.
Monday, February 12, 2024
NASA released last month a long-awaited economic assessment of space-based solar power, concluding that it would be far more expensive than terrestrial alternatives. Jeff Foust reports on how some in space solar power community are pushing back against those conclusions, concerned it will have a chilling effect on the field.
Monday, February 5, 2024
Jodrell Bank Observatory in England has been used for radio astronomy and, on occasion, listening for Soviet spacecraft. Dwayne Day describes how it was also used to help search for a “missing link” in Soviet spacecraft communications.
Monday, February 5, 2024
Ingenuity, whose mission ended last month, was a first-of-its-kind Mars helicopter with no guarantees more will follow soon. Ari Allyn-Feuer discusses how sending a large number of similar helicopters could advance Martian exploration in novel ways.
Monday, February 5, 2024
NASA started its Discovery program more than three decades ago to fund a line of lower cost, higher risk planetary science missions. Jeff Foust reviews a NASA history of the program’s origins and how, over time, its missions became more expensive and risk-averse.
Monday, February 5, 2024
The presence of cremated remains on the Peregrine lunar lander sparked controversy after the Navajo Nation expressed its objections. Deana Weibel examines the varying beliefs regarding the Moon and the challenges navigating them that entities planning lunar missions face.
Monday, January 29, 2024
NASA announced last week the the Ingenuity Mars helicopter’s mission had come to an end after it was damaged on a flight earlier this month. Jeff Foust reports on the success of Ingenuity and its implications for Mars exploration and future technology demonstrations.
Monday, January 29, 2024
A Chinese launch earlier this month had repercussions for an ongoing election in Taiwan. Ajey Lele discusses that incident and related ones in a contentious part of the world.
Monday, January 29, 2024
Relativity Space launched its first Terran 1 rocket last year, then promptly retired it to focus on a larger vehicle. Jeff Foust reviews a book where the company offers a look at the development of both the startup and the rocket.
Monday, January 29, 2024
On Friday, Japan landed its SLIM spacecraft on the Moon, a day after Astrobotic bid farewell to its Peregrine lander. Jeff Foust reports on how the two missions have measured varying degrees of success amid problems they encountered.
Monday, January 22, 2024
Many space companies struggle to fill open positions as the best workers seek new opportunities. Joseph Horvath argues that companies should instead look to other industries to find new employees.
Monday, January 22, 2024
Australia has established a space agency and is working to build up a space industry in the country, but what does the public there think about space? Four researchers describe the results of the first-of-its-kind opinion survey on space in Australia.
Monday, January 22, 2024
The universe, once thought to be fairly static, is instead turning out to be dynamic and violent, with supernova explosions and gamma-ray bursts, among other phenomena. Jeff Foust reviews a book that tries to make sense of a chaotic cosmos.
Monday, January 22, 2024
In January 2004, President George W. Bush announced the Vision for Space Exploration, which included a goal of landing humans back on the Moon by 2020. Jeff Foust reports on how, despite missing that deadline and recent setbacks, the effort to return to the Moon may be on firmer ground than at any time in the last two decades.
Monday, January 15, 2024
Many of the efforts in the search for extraterrestrial intelligence over the years have focused on radio searches in specific frequency bands. Owen Johnson describes a new project focused at much lower frequencies.
Monday, January 15, 2024
Past studies have looked at doing suborbital refueling or docking for reusable launch vehicles. Francis Chastaing puts those studies together to offer a new approach.
Monday, January 15, 2024
The search for evidence of life beyond Earth has taken many paths of varying degrees of scientific rigor. Jeff Foust reviews a book by an astrophysicist who examines those approaches, from looking for biosignatures on other planets to observations of UAPs.
Monday, January 15, 2024
The first launch of a new rocket carried the first lunar lander developed by a startup. Jeff Foust reports on how ULA’s Vulcan finally soared while Astrobotic’s Peregrine unfortunately stumbled.
Monday, January 8, 2024
An Indian spacecraft, Aditya-L1, reached its orbit around the Earth-Sun L1 point over the weekend to carry out a mission of observing the Sun. Ajey Lele discusses the importance of the mission for both space science and India.
Monday, January 8, 2024
Last week, the commercial arm of India’s space agency ISRO announced it would launch a communications satellite not on one of India’s own rockets but instead with SpaceX. Aditya Chaturvedi examines the implications of that decision.
Monday, January 8, 2024
The International Space Station has been the setting for movies featuring conflicts and disasters. Jeff Foust reviews a novel that instead offers a day in the life of a fictional crew on the station.
Monday, January 8, 2024
In the concluding part of their examination of American and Soviet military space station programs, Bart Hendrickx and Dwayne A. Day examine the factors that led to their downfall and the legacies of each effort.
Tuesday, January 2, 2024
A new year brings with it new hopes for new launch vehicles. Jeff Foust reports on the launch vehicles making the first (or second) flights this year after extended delays.
Tuesday, January 2, 2024
Were the moons of Mars captured by the planet or created from collisions? Ben Rider-Stokes discusses that mystery and a Japanese mission that could provide a way to solve it.
Tuesday, January 2, 2024
For the last year and a half, the James Webb Space Telescope has provided stunning images of the universe. Jeff Foust review a book that features stunning images of JWST taken during its long development.
Tuesday, January 2, 2024
In the second part of their study of military space station programs, Dwayne Day and Bart Hendrickx examine the progress the US made on MOL and the USSR on Almaz in the late 1960s.
Monday, December 18, 2023
Industry and government in the US have been working for years to develop a procedure for “mission authorization” or the oversight of commercial spacecraft not currently licensed. Jeff Foust reports that dueling proposals from Congress and the White House may mean that debate is far from over.
Monday, December 18, 2023
EBesides serving as a launch vehicle, SpaceX is working on a lunar lander version of Starship. Thomas Matula discusses how Starship will be valuable not just for transporting large amounts of cargo to the Moon but also through providing infrastructure.
Monday, December 18, 2023
The growing population of objects in Earth orbit, along with increasing threats, has become a major issue for satellite operators. Brien Flewelling discusses how automation and artificial intelligence can respond more quickly to a dynamic environment.
Monday, December 18, 2023
Astronauts may seem like the closest people to perfection, but even they make mistakes. Jeff Foust reviews a book that offers life lessons based on the mistakes and setbacks experienced by one former astronaut.
Monday, December 18, 2023
In the 1960s the Soviet Union and the United States embarked on efforts to develop military space stations. Bart Hendrickx and Dwayne Day examine the origins of both the Manned Orbiting Laboratory and Almaz programs.
Monday, December 11, 2023
External budget pressures and problems with some missions have put new pressures on NASA’s planetary science program. Despite those difficulties, Jeff Foust reports on how advocates for Venus exploration are seeking to build support for a long-term series of missions there.
Monday, December 11, 2023
Saudi Arabia announced early this year it would withdraw from the Moon Treaty, only about a decade after acceding to it. Michael Listner explores the reasons why an emerging space nation would seek to back out of that treaty.
Monday, December 11, 2023
Many people argue that there is a new “space race” underway among the US, China, and others to control the Moon. Jeff Foust reviews a book that tried to make that argument but suffers from serious flaws.
Monday, December 11, 2023
After months of discussion, ESA member states agreed last month to start a commercial cargo program as a prelude to a potential human spaceflight effort. Jeff Foust reports on the new initiative and the challenges it faces.
Monday, December 4, 2023
The UK government announced this fall an agreement with Axiom Space that could lead to a private mission flown entirely by British astronauts. Simonetta Di Pippo discusses why this is an important milestone in the role of companies in human spaceflight in Europe and beyond.
Monday, December 4, 2023
Successfully landing a spacecraft on the Moon helped raise the profile of India’s space capabilities. Daniel Duchaine argues that it also made India a global space power, and brings with it potential geopolitical ramifications.
Monday, December 4, 2023
The secret aircraft testing base known as Area 51 has been the subject of fascination, and of conspiracies, for decades. Dwayne Day reviews a new book that offers the most authoritative look yet at the work performed at Groom Lake.
Monday, December 4, 2023
At a European Space Summit earlier this month, ESA member states agreed to both support existing launch vehicles and open the door to future competition. Jeff Foust reports on how government and industry officials in Europe are viewing the prospects for new competition for launch services.
Monday, November 27, 2023
Russia has two GEO satellites that are eavesdropping on commercial communications satellites. Bart Hendrickx examines who in Russia is operating those satellites and what their future plans might be.
Monday, November 27, 2023
India’s Chandryaan-3 lander marked the beginning of a new wave of missions focused on studying the Moon’s south polar region, thought to contain water ice. Paul Hayne describes how future missions will help better identify the presence and accessibility of that ice.
Monday, November 27, 2023
Any proposal for the terraforming of Mars requires the production of huge volumes of oxygen. John Strickland examines just how much effort would be required to create that oxygen.
Monday, November 27, 2023
A Russian satellite known as Luch has been drifting in the GEO belt for nearly a decade, eavesdropping on commercial communications satellites. Bart Hendrickx discusses what is known about that spacecraft and a similar satellite launched earlier this year.
Monday, November 20, 2023
On Saturday, SpaceX launched its Starship/Super Heavy vehicle for a second time. Jeff Foust reports on the progress the company demonstrated with that launch and NASA’s concerns about the rate of that progress towards returning humans to the Moon.
Monday, November 20, 2023
One argument for space settlement has been to make life multiplanetary. Tyler Bender examines the threats to life on Earth that make it necessary to expand life beyond Earth to ensure its survival.
Monday, November 20, 2023
In his final essay about his suborbital spaceflight, Alan Stern reflects on his accomplishment and what it means for the future of commercial spaceflight.
Tuesday, November 14, 2023
A Soviet crewed launch to the Salyut-7 space station suffered a launch failure in the fall of 1983, with the launch abort system on the Soyuz spacecraft saving the crew. Dwayne Day and Asif Siddiqi describe what is now known about that failure and how the United States discovered it happened.
Monday, November 13, 2023
Space-based solar power has been a topic of debate for decades without much progress on the feasibility of the technology required. Jeff Foust reports on a Caltech project that is wrapping up testing in orbit of three specific technologies needed for it.
Monday, November 13, 2023
There are plenty of books that have taken an optimistic view of the prospects of humans living and working permanently in space, but far fewer critical assessments. Jeff Foust reviews a book that does take a more skeptical view of space settlements based on the reasons for building them and the challenges they face.
Monday, November 13, 2023
Before his suborbital spaceflight last week, Alan Stern had a number of questions about the experience. He returns with answers to them.
Tuesday, November 7, 2023
There is a growing push among developers of large science missions to make use of new heavy-lift launch vehicles that offer increased mass and volume at potentially lower costs. Jeff Foust reports on the benefits of that approach as well as its challenges.
Monday, November 6, 2023
The FCC last month issued its first-ever fine to a company for failing to properly dispose of a satellite after the end of its life. Leighton Brown and Paul Stimers discuss the FCC’s action and the agency’s legal basis for regulating orbital debris.
Monday, November 6, 2023
On Thursday, Alan Stern successfully completed his first suborbital spaceflight with Virgin Galactic. He describes some of important, but little-discussed, aspects of the experience.
Saturday, November 4, 2023
Some final thoughts from Alan Stern about risk and reward before he goes on his suborbital spaceflight.
Thursday, November 2, 2023
With a day to go before his suborbital spaceflight, Alan Stern ponders what the experience will be like.
Wednesday, November 1, 2023
Alan Stern describes the symbolism behind the patches associated with his upcoming suborbital spaceflight as well as what mementos he is taking with him on the trip.
Tuesday, October 31, 2023
The 1970s saw a new wave of proposals for satellite photo-reconnaissance that didn’t advance beyond the drawing board. Dwayne Day examines what is known about those concepts, from “crisis reconnaissance” to systems that took advantage of the shuttle.
Monday, October 30, 2023
While it is still years before commercial space stations start operations, there are already changes in the relationships of the companies involved in those efforts. Jeff Foust reports on the formation and potential breaking up of partnerships as those companies face new fiscal pressures.
Monday, October 30, 2023
Given the success of the mission and the stunning images it is producing, it’s little surprise the James Webb Space Telescope is the subject of an IMAX documentary. Jeff Foust reviews the film and compares it to another recent documentary about the mission.
Monday, October 30, 2023
Training for a suborbital research mission is different from what space tourists go through, as Alan Stern explains in his latest essay about his upcoming Virgin Galactic flight.
Saturday, October 28, 2023
In the third of his series of essays about his upcoming suborbital flight, Alan Stern describes how commercial suborbital vehicles can revolutionize research and education.
Friday, October 27, 2023
As commercial launch activity increases, it puts pressure on regulators to keep up while maintaining safety. Jeff Foust reports on those tensions between companies and the US government that came up at a recent congressional hearing.
Monday, October 23, 2023
In the second of his essays about his upcoming suborbital flight, Alan Stern outlines the objectives of the mission and its second-by-second research timeline.
Monday, October 23, 2023
After decades of dreaming and striving to go to space, Alan Stern will go on a Virgin Galactic suborbital research flight next week. In a first in a series of essays, he describes his lifelong ambitions about spaceflight.
Monday, October 23, 2023
In the days before the Gaganyaan abort test, India’s prime minister announced ambitious new goals for the country, including landing an Indian astronaut on the Moon by 2040. Ajey Lele examines those goals and their feasibility.
Monday, October 23, 2023
India’s space agency successfully tested a launch escape system for its Gaganyaan crewed spacecraft program on Saturday. Gurbir Singh discusses the importance of that test in the context of India’s human spaceflight ambitions.
Monday, October 23, 2023
Phil Pressel, who helped design the cameras used on the HEXAGON reconnaissance satellites, passed away last week at the age of 86. Dwayne Day offers an obituary of Pressel.
Monday, October 23, 2023
During the 1960s there were many proposals for reconnaissance satellites that never got much beyond the concept stage. Dwayne Day examines what is known about some of those ideas for photo-reconnaissance space systems.
Monday, October 16, 2023
After years of development, the first commercial landers developed as part of a NASA program are finally ready for launch. Jeff Foust reports on the progress of those landers and whether they can beat the odds.
Monday, October 16, 2023
The new space race emerging among countries and companies draws comparisons to the original space race of the 1960s. Aditya Chaturvedi examines changing geopolitics amid the growing importance of space..
Monday, October 16, 2023
Space advocates have long attempted to attract as wide an audience as possible to their positions. A.J. Mackenzie argues that approach should have some limits, as demonstrated by two recent events.
Monday, October 16, 2023
It’s been more than five years since a space policy document directed a transfer of US civil space traffic management work from the Defense Department to the Commerce Department. Jeff Foust reports that, after a slow start, Commerce is making progress on establishing its own space traffic management capability.
Monday, October 9, 2023
The rise of artificial intelligence has stoked fears about the impact of the technology on the society. Janet Vertesi argues that an example of how NASA uses AI shows the future need not be dystopian.
Monday, October 9, 2023
A social media post last month from the Secretary of Energy appeared to show support for space solar power. Mike Snead argues it’s time for the US to get serious about this technology.
Monday, October 9, 2023
Many astronauts have written memoirs, but few have become movies. Jeff Foust reviews one such film that dramatizes the rise of a son of migrant farmworkers to shuttle astronaut.
Monday, October 9, 2023
This month marks the 50th anniversary of the Yom Kippur War, whose start took both the United States and Israel by surprise. Dwayne Day notes that surprise was exacerbated by decisions made years earlier that limited the ability of the US to obtain satellite reconnaissance of the region.
Monday, October 2, 2023
Just a few days after Russia’s invasion of Ukraine in February 2022, ESA announced it was cancelling its partnership with Roscosmos on the ExoMars mission. Brian Harvey describes how ESA, and its member states, have offered little explanation about how they reached that decision, and so quickly.
Monday, October 2, 2023
The National Academies published last month a new decadal survey for biological and physical sciences research in space. Jeff Foust reports on the study, which has an ambitious goal of increasing NASA funding of such work by a factor of ten.
Monday, October 2, 2023
Several companies are pursuing technologies to enable satellites to be refueled in orbit. Manny Shar discusses why that technology is worth the effort.
Monday, October 2, 2023
Most people know of the founder of SpaceX, but how well do people know Elon Musk? Jeff Foust reviews a new biography that attempts to not just recount Musk’s life but also what makes him tick.
Monday, October 2, 2023
On Sunday, NASA’s OSIRIS-REx spacecraft returned to Earth, dropping off a capsule containing samples collected from the asteroid Bennu. Jeff Foust reports on the success of the first part of NASA’s “Asteroid Autumn” that includes a launch and a flyby.
Monday, September 25, 2023
One of the customers on a Virgin Galactic suborbital flight earlier this month took with him fossils from two potential ancestor species to humanity, sparking outrage among some anthropologists. Deana Weibel explores the incident as well as the relationships between the living and the dead when it comes to spaceflight.
Monday, September 25, 2023
China has tested a spaceplane similar in concept to the American X-37B. Carlos Alatorre examines if that vehicle could be, or support the development of, an anti-satellite weapon.
Monday, September 25, 2023
The growing space economy creates new opportunities for financing companies, but also new risks. Jana Robinson warns how some Western funds may be helping finance Chinese and Russian space efforts.
Monday, September 25, 2023
The Air Force’s Manned Orbiting Laboratory (MOL) program in the 1960s would take high-resolution images, but how could those images be quickly returned to Earth? Dwayne Day examines proposals to include film-readout systems on MOL.
Monday, September 18, 2023
At a major space industry conference last week, much of the discussion was about the dominance SpaceX has in the launch industry today. Jeff Foust report on perceptions that SpaceX has a monopoly on commercial launch and implications for other companies developing competing satellite systems.
Monday, September 18, 2023
How do you get your foot in the door in the space industry if you’re not seeking a technical position? Daniel Duchaine describes his experience networking across companies, think tanks, and Capitol Hill trying to find a job.
Monday, September 18, 2023
The first women to become NASA astronauts have been the subject of many books, articles, and other accounts over the 45 years since their selection. Jeff Foust reviews a book that offers a group portrait of those six women, who were more “trusted coworkers” than friends or rivals.
Monday, September 18, 2023
Nearly two years ago, China complained about close approaches of Starlink satellites to its space station, claims that the US denied. Michael Listner argues that the format of a complaint was a “lawfare” maneuver by China as part of great power competition.
Monday, September 11, 2023
A Virgin Galactic suborbital launch last week was remarkable not for what happened but what didn’t: a lot of publicity. Jeff Foust discusses how the low profile of the flight is a step on the long road to more routine spaceflight.
Monday, September 11, 2023
Japan is one of a few countries with a space resources law on the books and is planning a mission to prospect for water ice on the Moon. Akira Saito outlines some of the issues facing the Japanese government as it considers using lunar ice resources.
Monday, September 11, 2023
Last month, a paper claimed to have found evidence for interstellar meteorites at the bottom of the Pacific, a claim other scientists have treated skeptically. Jeff Foust review a book by the scientist who is the lead author of that study and other efforts using science to look for interstellar visitors.
Monday, September 11, 2023
The Soviet Union attempted to develop reconnaissance satellites that could electronically transmit images using television technologies starting in the 1960s. Bart Hendrickx examines those efforts and the setbacks they faced over the decades.
Tuesday, September 5, 2023
India successfully landed on the Moon for the first time last month with the Chandrayaan-3 mission. Ajey Lele says the mission is a major milestone for India’s space program, but should not be seen as part of a race with other nations.
Tuesday, September 5, 2023
Earlier this year, NASA and ESA selected new leaders of their respective science programs. Jeff Foust talked with those two people about their first few months on the job and their top issues.
Tuesday, September 5, 2023
The Fox reality TV series “Stars on Mars” wrapped up recently with one “celebronaut” crowned as winner. The series, Dwayne Day explains, also provided useful lessons for real missions to the Red Planet.
Tuesday, September 5, 2023
As more countries and companies undertake space activities, existing international agreements are put to the test. Austin Albin describes those challenges and proposes potential solutions.
Tuesday, September 5, 2023
Russia’s first mission to the Moon in nearly half a century crashed over the weekend, days before its scheduled landing, prompting a new wave of commentary abut the state of Russia’s space program. Daniel Duchaine cautions that, even with the failure of Luna-25, other, more worrisome aspects of its space activities continue to grow.
Monday, August 21, 2023
In some respects, it’s never been easier to get smallsats into orbit, even though the options for doing so are limited. Jeff Foust reports that, for most smallsat operators today, it’s a choice between hitching a ride with SpaceX or buying a launch from Rocket Lab.
Monday, August 21, 2023
Some in the space community say we’re ready to send humans to Mars now. Isabella Cisneros argues it’s time for a Red Planet reality check because of serious, often overlooked technical, societal, and other challenges such efforts face.
Monday, August 21, 2023
Space advocates have used a wide range of historical analogies over the years to justify their support for space development. Bob Werb offers a new one to explain what the public needs to know to better appreciate and support space activities.
Monday, August 21, 2023
For some people, inaccurate science can ruin a science fiction story. Jeff Foust reviews a book that used good examples from sci-fi to teach concepts associated with spaceflight.
Monday, August 21, 2023
Even as the International Space Station is reaching its peak potential as a research outpost, its retirement is becoming a key issue. Jeff Foust reports on the issues discussed at a recent meeting about transferring work done on the ISS to future commercial space stations.
Monday, August 7, 2023
The United Nations’ Committee on the Peaceful Uses of Outer Space has started discussions about setting up frameworks for the use of space resources. Dennis O’Brien examines what is known about those closed-door meetings and prospects for reaching consensus.
Monday, August 7, 2023
SpaceX has been working to reduce the brightness of its Starlink satellites to mitigate their effect on astronomers, but how effective has that effort been? Brad Young and Jay Respler discuss observations of newer Starlink satellites to see how those larger spacecraft compare to smaller versions.
Monday, August 7, 2023
The show of the summer, at least for space enthusiasts, has been Fox’s “Stars on Mars” reality TV series. Dwayne Day updates the progress of the show and how, in some respects, it offers better drama than some dramatic series set on Mars.
Monday, August 7, 2023
The cultural impact of astronauts on American society is well documented, but how cosmonauts were treated in Soviet and Russian culture is less well known. Jeff Foust reviews a book that examines the public image of cosmonauts and “The Red Stuff.”
Monday, August 7, 2023
The value of nuclear systems to provide power and propulsion in space has been recognized for years, but until recently there has been little progress on new capabilities. Jeff Foust reports on new efforts to develop space nuclear technologies.
Monday, July 31, 2023
While commercial deep-sea and space travel seems novel, they are just part of a long line of journeys that mix tourism and research. Deana Weibel examines the connections between the space and ocean travel, and between tourism and research expeditions.
Monday, July 31, 2023
The loss of the Titan has prompted discussions about parallels with space tourism, which is also lightly regulated for passenger safety. Dale Skran argues against a rush to regulate commercial human spaceflight because of what happened in the depths of the oceans.
Monday, July 31, 2023
The 21st century has been marked in space by the rise of China as a leading space power. Daniel Duchaine examines if that rise can continue at the expense of other leading space nations.
Monday, July 31, 2023
The James Webb Space Telescope continues to dazzle more than a year after the release of its first science images. Jeff Foust reviews a new documentary that reminds viewers of the technical obstacles that had to be overcome for it to become a scientific success.
Monday, July 31, 2023
Within the next few years, heavy-lift vehicles like New Glenn, Starship, and Vulcan will enter service. Gary Oleson describes how the combination of price and performance of those rockets could reshape the space industry.
Monday, July 24, 2023
A survey released last week provided mixed messages for advocates of NASA, particularly on the public’s priorities for the agency. Jeff Foust examines the survey and just how important public support for NASA is for the agency to achieve its goals.
Monday, July 24, 2023
Some satellites are not listed in public catalogs, but there are ways to track and identify them. Charles Phillips describes one approach based on orbital elements to help identify some classes of satellites.
Monday, July 24, 2023
The thick, hot, toxic atmosphere of Venus rules out any kind of human exploration of the planet for the foreseeable future. John Strickland examines what could be done, someday, to make Venus a more tolerable world to visit.
Monday, July 24, 2023
In 1986, the Strategic Defense Initiative conducted an in-orbit test where two spacecraft collided with each other. Dwayne Day describes the development of that rapid, low-cost mission and the effect it could have had on arms control negotiations.
Monday, July 17, 2023
A Senate appropriations bill released last week would slash funding for NASA’s Mars Sample Return program and threaten it with cancellation. Jeff Foust reports on the new fiscal challenges that efforts to return samples from Mars have encountered.
Monday, July 17, 2023
India launched its second robotic lunar lander mission last week. Ajey Lele examines the mission and the lessons learned from India’s first, failed lunar lander mission.
Monday, July 17, 2023
The growing number of countries involved in space exploration raises the risk of conflict among them. Daniel Duchaine explores some possible scenarios for avoiding conflict depending on how plentiful and valuable space resources turn out to be.
Monday, July 17, 2023
The final Ariane 5 launched last week, temporarily depriving Europe of independent access to space because of launch failures and vehicle delays. Jeff Foust reports on how Europe reached that state and how it is turning to a commercial rival to get through a near-term crisis.
Monday, July 10, 2023
The Space Force is preparing for a new round of launch contracts that will open up opportunities for additional launch providers. Jonathan Ward, though, warns against one proposed congressional change to that approach that he fears could put key missions at risk.
Monday, July 10, 2023
Expectations were low about a reality TV series set on a fake Mars. However, Dwayne Day describes how he was pleasantly surprised by how the show and its cast of C-list celebrities have handled the challenges of life on “Mars”.
Monday, July 10, 2023
Many books about the night sky are written from the perspective of the Northern Hemisphere. Joseph T. Page II reviews a book that examines a familiar star cluster as perceived by the peoples of Oceana.
Monday, July 10, 2023
American intelligence agencies studied several proposals for “crisis reconnaissance” satellites in the 1960s and 1970s, but never built any of them. Dwayne Day discusses new details about one such proposal that came closer to development than any other concept.
Monday, July 3, 2023
Virgin Galactic performed its first commercial SpaceShipTwo suborbital flight last week as Blue Origin prepares to resume New Shepard launches. Jeff Foust reports that, as commercial human spaceflight activity finally ramps up, the industry is facing new regulatory challenges.
Monday, July 3, 2023
China’s space capabilities, in both military and civil realms, have grown significantly in recent years. Four experts examine the implications of those developments for Western nations and lessons it offers those countries.
Monday, July 3, 2023
Astronomers announced last week the discovery of a background of gravitational waves that pervades the cosmos. Chris Impey describes this discovery and its significance in understanding the evolution of the universe.
Monday, July 3, 2023
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