04 March 2011, 04:48 AM ET
The 12 astronauts on shuttle Discovery and the space station have a busy unpacking day ahead.
03 March 2011, 07:23 PM ET
President Barack Obama called the 12 astronauts on the International Space Station today. Obama marked the final flight of shuttle Discovery and urged astronauts to unpack a space robot.
03 March 2011, 05:30 PM ET
President Obama talks with the STS-133 & Expedition 26 crews aboard the ISS on March 3, 2011.
03 March 2011, 02:35 PM ET
The Robonaut-1 balloon took this video from about 100,000 feet up, just after NASA's space shuttle Discovery launched on Feb. 24, 2011. The wafting vapor trail Discovery left behind as it streaked into space is visible.
03 March 2011, 01:59 PM ET
Discovery's astronauts will have some well-deserved time off today.
02 March 2011, 05:55 PM ET
Two Discovery astronauts tackled their final spacewalk outside the International Space Station today.
02 March 2011, 02:42 PM ET
The 12+ year on-orbit assembly of the International Space Station is nearly done now that the Permanent Multipurpose Module (PMM) – the last US module – has been installed. And keep watching to see the entire ISS assembly animated.
02 March 2011, 09:26 AM ET
A minor leak was detected on astronaut Steve Bowen's spacesuit.
01 March 2011, 03:33 PM ET
Discovery shuttle astronauts are trying new eyeglasses to ease eyestrain on aging eyes. Discovery delivered Superfocus glasses, an alternative to bifocals, to the International Space Station.
01 March 2011, 12:48 PM ET
Due to safety concerns, a proposed photo session at the International Space Station is off.
01 March 2011, 10:19 AM ET
Discovery shuttle astronauts delivered the Leonardo module to the space station today.
01 March 2011, 06:00 AM ET
Discovery shuttle astronauts will install a much-needed storage module at the space station today.
28 February 2011, 06:15 PM ET
Shuttle astronauts completed the first spacewalk of Discovery's STS-133 mission.
28 February 2011, 06:04 PM ET
Two astronauts working outside the International Space Station today collected an unusual souvenir of their spacewalk: a bottle full of space.
28 February 2011, 11:00 AM ET
Two astronauts are tackling a spacewalk outside of the International Space Station today.
27 February 2011, 05:53 PM ET
The astronauts reflect on the significance of Discovery's historic last mission.
27 February 2011, 09:02 AM ET
Film stars may descend on L.A. for the Academy Awards tonight, but real-life astronauts will pass.
27 February 2011, 09:01 AM ET
Discovery's six astronauts are gearing up for a busy day of unpacking.
26 February 2011, 06:32 PM ET
For the first time ever, spaceships from four different space agencies are linked in orbit at the same time.
26 February 2011, 02:23 PM ET
Discovery will stay docked to the orbiting lab for seven days.
26 February 2011, 06:41 AM ET
Shuttle Discovery will make its final arrival at the International Space Station today.
25 February 2011, 08:49 PM ET
A student balloon took dramatic photos of shuttle Discovery launching on its final flight Feb. 24. The balloon captured the photos from the edge of space.
25 February 2011, 08:10 PM ET
A debris strike on the space shuttle Discovery during its Thursday launch poses no threat to the spacecraft or its astronaut crew, NASA officials say.
25 February 2011, 03:17 PM ET
Skywatchers have a chance to see the shuttle Discovery and space station tonight, but act fast.
25 February 2011, 03:00 PM ET
A bicycle crash may have kept astronaut Tim Kopra stuck on Earth, but he's with shuttle Discovery's crew in spirit.
25 February 2011, 11:55 AM ET
Three minutes and fifty seconds into the final ascent of Discovery, several large and many small pieces of debris - apparently External Tank insulation foam – careen between tank and Orbiter.
25 February 2011, 10:41 AM ET
What will happen to space shuttle Discovery's flight if there is a partial government shutdown?
25 February 2011, 09:00 AM ET
Reminiscing with a former astronaut from the space shuttle Discovery's maiden voyage.
25 February 2011, 09:00 AM ET
Engineers who helped build the space shuttle Discovery now say goodbye to the space workhorse.
25 February 2011, 07:48 AM ET
Astronauts on the shuttle Discovery will scan the spacecraft for launch damage.
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, 10:41 AM ET
This afternoon, people will be able to watch the Discovery Launch from their Playstation devices.
24 February 2011, 06:33 AM ET
The space shuttle Discovery is set to launch on its final flight today.