31 May 2011, 07:38 AM ET
See photos of NASA's launch pad rollout and prelaunch work on Atlantis, the last shuttle to fly ever.
31 May 2011, 06:00 AM ET
The space shuttle Endeavour is on its way back to Earth, for a scheduled landing in Cape Canaveral, Fla., on June 1.
30 May 2011, 06:59 PM ET
A NASA contest sought original song entries to awaken the astronauts during Endeavour's STS-134 flight.
30 May 2011, 09:47 AM ET
Space station astronauts can spend their free time building a LEGO version of their space house.
30 May 2011, 02:22 AM ET
From the shuttle Columbia and Challenger disasters to the launch of Hubble and the building of the International Space Station
30 May 2011, 12:20 AM ET
Endeavour and its six-astronaut crew undocked from the International Space Station for the final time.
29 May 2011, 09:50 AM ET
The space shuttle Endeavour is set to undock from the orbiting outpost for the last time tonight.
29 May 2011, 09:30 AM ET
Endeavour will perform an unprecedented test of a new laser-based docking technology.
29 May 2011, 06:10 AM ET
See spectacular photos from the last four spacewalks ever performed by a space shuttle crew.
28 May 2011, 10:52 PM ET
Out-of-this-world science experiments are flying on NASA's last flight of shuttle Endeavour.
28 May 2011, 01:57 PM ET
The two spiders, named Gladys and Esmerelda, are settling in on the space station.
27 May 2011, 10:14 PM ET
NASA has a new spaceflight champion and his name is Mike Fincke.
27 May 2011, 11:57 AM ET
Now is your last chance to see shuttle Endeavour fly across the night sky.
27 May 2011, 10:06 AM ET
Two ships named Endeavour will take historic voyages simultaneously this month. One will fly to space, while the other will sail the sea.
27 May 2011, 07:59 AM ET
Astronauts Mike Fincke and Greg Chamitoff wrapped up the fourth and final spacewalk of Endeavour's STS-134 mission.
27 May 2011, 12:19 AM ET
Shuttle astronauts Mike Fincke and Greg Chamitoff took their mission's fourth and final spacewalk early Friday morning
26 May 2011, 09:29 PM ET
On spacewalks, even the slightest discomfort can be a nightmare.
26 May 2011, 07:09 AM ET
Shuttle commander Mark Kelly will make a video call to his wife Gabrielle Giffords tonight.
26 May 2011, 01:04 AM ET
See amazing photos from NASA's final flight of space shuttle Endeavour, the mission STS-134.
25 May 2011, 07:56 PM ET
Endeavour astronauts have heat shield inspections and spacewalk prep work on tap for Thursday.
25 May 2011, 09:29 AM ET
Shuttle astronauts Andrew Feustel and Mike Fincke completed the mission's third spacewalk today.
25 May 2011, 02:34 AM ET
Two astronauts took the third spacewalk of their mission to the International Space Station today.
24 May 2011, 09:43 PM ET
Shuttle astronauts Andrew Feustel and Mike Fincke will spacewalk Wednesday after some light exercise.
24 May 2011, 12:07 PM ET
Endeavour's six-astronaut crew will enjoy a second day off tomorrow to relax after a busy week on orbit.
24 May 2011, 10:18 AM ET
See photos of the smooth landing of the International Space Station's 27th crew on May 23, 2011 after 5 months in space.
24 May 2011, 02:00 AM ET
Dmitry Kondratyev, Cady Coleman and Paolo Nespoli have safely landed in Kazakhstan, after more than five months in space.
23 May 2011, 05:38 PM ET
A Russian Soyuz undocked from the International Space Station Monday, allowing for a historic shuttle-station photo op.
23 May 2011, 01:17 PM ET
Mission controllers have been juggling different sleep shifts in space, and overnight hours on the ground.
23 May 2011, 12:16 PM ET
Italian President Giorgio Napolitano spoke to two Italian astronauts on the International Space Station today.
23 May 2011, 05:01 AM ET
Three space station astronauts will return to Earth tonight, after spending months aboard the International Space Station.
23 May 2011, 12:30 AM ET
Endeavour astronauts Mark Kelly and Mike Fincke spoke to Tucson elementary school students Sunday.
22 May 2011, 10:07 AM ET
Spacewalkers will only do a partial lube job on a space station gear
21 May 2011, 09:44 PM ET
Endeavour astronauts Andrew Feustel and Mike Fincke will perform the second spacewalk of their STS-134 mission on Sunday.
21 May 2011, 04:20 PM ET
NASA on Saturday cleared the shuttle Endeavour's heat shield of any concerns after one last check of a gouge on its belly.
21 May 2011, 07:21 AM ET
Pope Benedict XVI spoke with the 12 astronauts in space Saturday in the first-ever papal call.
21 May 2011, 06:43 AM ET
Astronauts on shuttle Endeavour took a closer look at their shuttle's heat shield Saturday to inspect a gouge.