02 March 2011, 05:55 PM ET
Two Discovery astronauts tackled their final spacewalk outside the International Space Station today.
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, 09:01 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, 03:00 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, 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.
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.