The CubeSat movement may make it to the surface of Mars, possibly within a decade, allowing low-cost, minituarized secondary payloads on missions carry rovers and other high-priced gear.

NASA’s $8.8 billion James Webb Space Telescope program was rebaselined in 2011 and has since adhered to its revised cost and schedule estimates for a planned launch atop an Ariane 5 ECA rocket in 2018, but technology challenges could threaten the agency’s ability to keep it on track.

Opinion: USAF has the rare opportunity to improve U.S. national security, impose costs on an aggressive foreign power, promote American technological innovation and create jobs at home.

Joe Anselmo and Graham Warwick ask Guy Norris about his story on Lockheed Martin's Skunk Works and their Compact Fusion Reactor.

"I can see Cairo," reported spacewalking NASA astronaut Reid Wiseman. "I can't quite make out the pyramids."

Pan-European cooperation in military Earth observation could see progress by the end of this year as France presses for allied contributions to the next-generation Optical Space Component (CSO) system in exchange for access to its high-resolution imagery.

Some of the answers were on display at the 65th International Astronautical Congress (IAC) just concluded in Toronto, both in the remarks of many participants and the actions of the host government in Ottawa.

Virgin Galactic is finally on the verge of full-duration powered test flights and the start of commercial suborbital flights in 2015. Providing a rare glimpse of progress on a second spacecraft under assembly at sister organization, The Spaceship Co., Virgin Galactic Vice President of Operations Mike Moses says, “we are ready for space.”