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.
24 October 2011, 04:00 PM ET
NASA's is opening its Vehicle Assembly Building for public tours at the Kennedy Space Center.
18 October 2011, 10:55 AM ET
Boeing is putting its CST-100 spaceship through its paces.
14 October 2011, 12:40 PM ET
Endeavour is gearing up for its final voyage, a trip to its retirement home at the California Science Center.
14 October 2011, 07:00 AM ET
The deal could be worth up to $4.5 million.
13 October 2011, 12:57 PM ET
It's time to accept the fact that the shuttles won't fly again, experts say.
11 October 2011, 02:59 PM ET
The California Science Center in Los Angeles is the future home of Endeavour.
04 October 2011, 12:07 PM ET
Houston and New York City are among those with tweaked plans to display NASA space shuttles.
28 September 2011, 09:31 AM ET
After 5 month aboard the International Space Station, the NASA astronaut returned to Earth aboard a Soyuz TMA-21 on September 16. SPACE.com's Clara Moskowitz caches up with him in this exclusive interview.
22 September 2011, 03:17 PM ET
Captain Eugene Cernan, commander of Apollo 17, upset with the United States' current inability to ferry astronauts to Low Earth Orbit, wants the STS program to be reinstated until a suitable replacement is put in place.
17 September 2011, 08:00 AM ET
The prototype shuttle Enterprise was revealed to the public on Sept. 17, 1976.
12 September 2011, 02:39 PM ET
A look at some of the top milestones from the first 50 years of human spaceflight, from Gagarin's historic flight to the birth of space tourism.
07 September 2011, 12:59 PM ET
NASA had 150 astronauts in 1999. Now it has 61.
01 September 2011, 12:34 PM ET
NASA's 30-year shuttle program is over.
29 August 2011, 10:44 AM ET
A long Russian rocket crash inquiry may force the six-man space station crew to leave the outpost empty.
29 August 2011, 02:23 AM ET
The International Space Station crew wants to know if they'll stay in space longer because of the crash.
26 August 2011, 02:05 PM ET
NASA's three space shuttles will go to museums in NYC, California, Washington and Florida.
25 August 2011, 03:52 PM ET
Russia may go ahead with navigation satellite launch on Aug. 25, two days after a Soyuz rocket crash.
25 August 2011, 02:06 PM ET
The launch of NASA's GRAIL moon-studying spacecraft should go off as planned Sept. 8.
25 August 2011, 11:50 AM ET
Wednesday's cargo-ship crash was the latest in a series of Russian launch failures in the last year.
17 August 2011, 06:02 PM ET
By proclamation of Mayor Bloomberg, today is "STS-135 Atlantis Crew Day" in New York.
11 August 2011, 10:14 PM ET
It's a showdown at NASA's Kennedy Space Center in Florida as space shuttle Discovery, at right, faces off with shuttle Endeavour.
11 August 2011, 06:05 PM ET
Two space shuttles passed each other nose to nose in a first-of-its-kind maneuver for NASA Thursday morning.