13 March 2012, 01:11 PM ET
NASA's four shuttle orbiters are gearing up for their final journeys.
13 March 2012, 11:46 AM ET
Astronaut Michael Lopez-Alegria will become president of the Commercial Spaceflight Federation.
13 March 2012, 12:00 AM ET
Long-term exposure to microgravity may cause abnormalities in spaceflyers' eyes and brains.
29 February 2012, 02:04 PM ET
The movie voice of the leader of the Transformers (Peter Cullen) narrates this NASA promotional film.
28 February 2012, 05:32 PM ET
Discovery is set for one last voyage.
21 February 2012, 01:58 PM ET
Angry Birds are about to go where no birds have gone before.
20 February 2012, 12:00 AM ET
NASA now relies on the Russians to launch American astronauts to orbit.
17 February 2012, 05:09 AM ET
Longest, fastest, biggest: We've got the space records right here.
13 February 2012, 02:50 PM ET
The final voyage of one of NASA's shuttle carrying jets lasted just 20 minutes.
09 February 2012, 07:02 PM ET
Funding cuts will probably force NASA to withdraw from the European-led ExoMars missions.
09 February 2012, 11:41 AM ET
Roger Boisjoly warned that launching a space shuttle in cold weather could be disastrous.
07 February 2012, 02:58 PM ET
Janice Voss, a veteran shuttle astronaut, also served as science director for NASA's Kepler planet-hunting mission.
03 February 2012, 01:48 PM ET
NASA has a critical need for commercially built spacecraft to fill the gap in human spaceflight.
03 February 2012, 07:00 AM ET
Shannon Lucid is a veteran of five spaceflights, logging more than 223 days in space.
02 February 2012, 10:01 AM ET
Have a favorite spaceship? Cheer it on in SPACE.com's vote for the best human-carrying spacecraft.
01 February 2012, 10:28 AM ET
The last crew of the Space Shuttle Columbia talk about their dreams of being astronauts and the spectacle of flying above the Earth in this retrospective.
01 February 2012, 10:25 AM ET
See photos of NASA's final shuttle mission to service the Hubble Space Telescope.
31 January 2012, 01:31 PM ET
The space shuttles are undergoing final preparation for public display at museums.
11 January 2012, 06:00 AM ET
Retired NASA spaceflyer Steven Hawley also discussed his own experiences.
29 December 2011, 11:47 AM ET
The old NASA space shuttle simulator has a new lease on life.
27 December 2011, 12:00 PM ET
The 50th anniversary of human spaceflight brought big changes.
21 December 2011, 05:24 PM ET
Flying in space is tough work, and these missions found out the hard way.
21 December 2011, 10:31 AM ET
A look at the most memorable events in spaceflight from 2011.
21 December 2011, 07:00 AM ET
A lot of spacecraft went up this year, and a few came crashing back down.
16 December 2011, 04:50 PM ET
NASA has powered down its oldest space shuttle for the last time.
12 December 2011, 05:14 PM ET
NASA's space shuttle prototype orbiter Enterprise is now an official New Yorker.
12 December 2011, 12:01 PM ET
The full-scale space shuttle replica Explorer moved to clear space for the real shuttle Atlantis.
05 December 2011, 05:55 PM ET
Astronaut Chris Ferguson is retiring for the private sector.
29 November 2011, 07:01 PM ET
Studying how roundworms tolerate microgravity and space radiation may teach us a thing or two.
29 November 2011, 03:27 PM ET
An up-close look at the space agency's new $500 million, 355-foot-high mobile launcher.
15 November 2011, 01:23 PM ET
The congresswoman said she wants to get better first.
08 November 2011, 06:02 PM ET
See photos of NASA's first and last shuttle astronauts together: the crews of STS-1 and STS-135.
08 November 2011, 05:59 PM ET
The current and former astronauts posed for a historic set of photographs.
31 October 2011, 10:00 AM ET
Boeing is leasing an old shuttle processing hangar at NASA's Kennedy Space Center.
31 October 2011, 09:32 AM ET
Every Halloween, I carve one or two pumpkins with the mission emblem of either an upcoming mission or one that is currently in orbit.
28 October 2011, 12:10 PM ET
SpaceX's Dragon capsule has notched another milestone.