24 February 2011, 06:12 PM ET
The Space Shuttle Discovery and its STS-133 crew blast off from Kennedy Space Center at 4:50pm EST, February 24, 2011, for the shuttle's final mission to the ISS before retirement.
24 February 2011, 05:52 PM ET
See photos from Space shuttle Discovery's final launch into space on Feb. 24, 2011.
24 February 2011, 04:57 PM ET
Engineers are trying to fix a damaged space shuttle heat shield tile in time for today's launch
24 February 2011, 04:53 PM ET
NASA's space shuttle Discovery launched on one final mission Feb. 24.
24 February 2011, 06:33 AM ET
The space shuttle Discovery is set to launch on its final flight today.
23 February 2011, 06:57 PM ET
High-schoolers have helped build a balloon camera to photograph space shuttle Discovery's launch.
23 February 2011, 06:26 PM ET
NASA's space shuttles aren't the gleaming spaceships you might think.
23 February 2011, 05:04 PM ET
Life on the International Space Station may get cushier when a robot butler called Robonaut 2 arrives. NASA's space shuttle Discovery will deliver Robonaut 2 to the station this week.
23 February 2011, 01:18 PM ET
NASA says the space shuttle Discovery is "ready to fly" its final mission.
23 February 2011, 07:30 AM ET
The last astronaut crew of space shuttle Discovery are all veteran spaceflyers.
22 February 2011, 01:54 PM ET
The shuttle stands ready for its planned liftoff in two days from NASA's Kennedy Space Center.
22 February 2011, 12:36 PM ET
Vote for your favorite innovators of the new digital space age.
22 February 2011, 08:32 AM ET
Learn more about space shuttle Discovery's final cargo: a closet for the International Space Station.
22 February 2011, 08:00 AM ET
NASA's space shuttle Discovery has one last delivery to make before retiring.
22 February 2011, 07:19 AM ET
The space shuttle Discovery's name has long ties with exploration.
21 February 2011, 01:20 PM ET
Space shuttle Discovery has an 80 percent chance of good weather for its final launch.
20 February 2011, 12:00 PM ET
The six astronauts who will fly the space shuttle Discovery on its final mission to the International Space Station arrived at NASA's Florida spaceport today, four days ahead of their Feb. 24 launch. The crew expressed confidence that all will go well wit
18 February 2011, 07:00 PM ET
Top NASA officials decided to proceed with the planned launch of the space shuttle Discovery next week on Thursday, Feb. 24.
18 February 2011, 09:39 AM ET
NASA's top managers will meet today (Feb. 18) to set an official launch date for the space shuttle Discovery's upcoming flight to the International Space Station.
14 February 2011, 06:06 PM ET
If NASA continues operating at 2010 funding levels, the agency will have enough money to fly its third and final space shuttle mission this year.
14 February 2011, 03:38 PM ET
Wounded congresswoman Gabrielle Giffords is relearning how to speak after sustaining a traumatic brain injury from a bullet wound to the head in early January.
11 February 2011, 01:53 PM ET
Astronaut Mike Massimino (First Tweeter from Space) jokes around with the crew of the STS-133 mission about the delay in the flight and the last minute addition of Steve Bowen, who replaces injured Tim Kopra.
11 February 2011, 11:46 AM ET
Recent events have cast an unprecedented public glimpse into the relationship of a spaceman and politician.
10 February 2011, 12:10 PM ET
NASA's first prototype of its new manned Orion space capsule has shipped out for rigorous ground tests.
09 February 2011, 05:54 PM ET
Wounded Congresswoman Gabrielle Giffords is making amazing progress recovering from a bullet wound to the head, her husband says.
08 February 2011, 05:06 PM ET
A NASA contractor has submitted a 'long shot' bid to fly the shuttle as a commercial service after NASA retires its fleet.
07 February 2011, 05:07 PM ET
Rising stars in the private spaceflight realm are drawing NASA's eye for future partners.
07 February 2011, 12:15 PM ET
Astronaut Mark Kelly is back to work preparing to launch on space shuttle Endeavour in April.
04 February 2011, 06:58 PM ET
Kelly will rely on his experience compartmentalizing his feelings to focus on his upcoming space mission.
04 February 2011, 05:51 PM ET
The space shuttle Endeavour's final flight is scheduled to launch on April 19. Here's a look at the details of the upcoming STS-134 mission to the International Space Station.
04 February 2011, 04:53 PM ET
Mark Kelly has decided to go ahead with his planned April space shuttle flight.
04 February 2011, 09:31 AM ET
Mark Kelly, the astronaut husband of Congresswoman Gabrielle Giffords, is expected to announce his decision about whether he will remain in command of his upcoming space shuttle mission, or remain by his wife's side as she recovers from a gunshot wound.
03 February 2011, 06:17 PM ET
Mark Kelly must make a tough call about whether to fly on the space shuttle one more time.
03 February 2011, 06:10 PM ET
This year, NASA will launch its final Space Shuttle missions. The development of the Shuttle had sprung from the supersonic rocket planes of Chuck Yeager, and was an answer to the question: what is the best way to send man into space?
03 February 2011, 03:41 PM ET
The U.S. Air Force is preparing its second X-37B robot space plane for a secret spaceflight in March.
02 February 2011, 12:03 PM ET
The U.S. Air Force's jet and rocket planes were the precursors of NASA's space shuttle fleet.