01 February 2013, 03:08 AM ET
The tragedy reminded NASA and the nation just how tough it is to explore the final frontier.
01 February 2013, 01:58 AM ET
See photos from STS-107, the tragic final flight of the space shuttle Columbia in early 2003.
31 January 2013, 06:30 AM ET
The Sunjammer will help test out technology that could be useful for space weather forecasting and interstellar travel.
30 January 2013, 02:00 PM ET
The Dream Chaser will fly solo for the first time in six to eight weeks.
27 January 2013, 07:46 AM ET
See a photo chronicle of NASA's space shuttle Challenger accident on Jan. 28, 1986.
25 January 2013, 07:00 AM ET
Ten years ago this month the devastating Columbia accident took the lives of seven astronauts.
18 January 2013, 07:56 AM ET
President Obama has visited NASA facilities and spoken with astronauts in space since taking office in 2009.
16 January 2013, 07:00 AM ET
Columbia broke apart upon re-entry on Feb. 1, 2003, killing all seven astronauts aboard.
21 December 2012, 04:02 PM ET
Manhattan's Intrepid Museum reopened for the first time after Hurricane Sandy damage was repaired.
20 December 2012, 05:07 PM ET
The damage Enterprise suffered during "Superstorm Sandy" is minor, museum officials say.
18 December 2012, 09:40 AM ET
Atlantis takes flight.
17 December 2012, 06:32 PM ET
Ride had led Grail's MoonKAM project, which allowed kids to choose sites for the spacecraft to photograph.
12 December 2012, 10:01 AM ET
An astronaut perched, ready to grab the Intelasat VI satellite.
04 December 2012, 09:25 AM ET
The orbiter Atlantis holds the spacecraft in its payload bay.
03 December 2012, 02:33 AM ET
NASA's space shuttle program included five orbiters and one prototype. Which was your fave?
03 December 2012, 02:30 AM ET
The museum display has space shuttle Atlantis tilted to look as if it's still soaring through space.
30 November 2012, 02:06 PM ET
Canada's first astronaut Marc Garneau is trading his spacesuit for politics.
26 November 2012, 11:26 AM ET
The jumbo jet will soon go on public display.
09 November 2012, 05:40 PM ET
The exhibit opens to the public this Saturday (Nov. 10).
03 November 2012, 06:38 PM ET
The retired shuttle orbiter Atlantis arrived at the Kennedy Space Center Visitors Center.
02 November 2012, 07:57 AM ET
The shuttle Atlantis departed its Vehicle Assembly Building to make the 9.8 mile trek to the Kennedy Space Center Visitors Center.
01 November 2012, 10:58 AM ET
Space Shuttle Atlantis is rolled over to the VAB.
31 October 2012, 06:33 PM ET
The shuttle orbiter is now on view at a Los Angeles museum.
26 October 2012, 11:55 AM ET
The last space shuttle NASA owns is headed for its museum display Nov. 2.
20 October 2012, 01:21 AM ET
Space shuttle Endeavour's recent drive through Los Angeles streets has sparked a new space souvenir.
19 October 2012, 02:42 PM ET
Atop NASA's Shuttle Carrier Aircraft Space shuttle Endeavour flew over many Los Angeles area landmarks on its final ferry flight Sept. 21, 2012, including the Hollywood Sign, Griffith Observatory, Disneyland, and the California Science Center.
17 October 2012, 04:01 PM ET
The spectacular time-lapse views of Endeavour were captured by a team of photographers.
17 October 2012, 03:20 PM ET
Shuttle Endeavour wowed millions of spectators during its three-day Los Angeles odyssey.
15 October 2012, 03:02 PM ET
And waiting. And waiting. And waiting…
15 October 2012, 01:58 PM ET
See photos of the space shuttle Endeavour heading toward its retirement home, the California Science Center.
14 October 2012, 07:05 PM ET
NASA's youngest orbiter finally rolled up to the California Science Center nearly a full day late.
13 October 2012, 02:51 PM ET
Endeavour is making its last road trip ... ever. Next stop: the California Science Center for display.
13 October 2012, 07:00 AM ET
The orbiter arrives at its museum retirement home today (Oct. 13).
13 October 2012, 04:28 AM ET
A silver Toyota Tundra CrewMax pickup towed space shuttle Endeavour over the 405.
12 October 2012, 05:51 PM ET
See live video of NASA's space shuttle Endeavour driving along Los Angeles streets during its 2-day trip to a museum.
12 October 2012, 11:00 AM ET
See photos of NASA's historic final shuttle ferry flight: Endeavour over California on Sept. 21, 2012.