31 May 2011, 04:55 PM ET
Astronauts Pay Tribute to Shuttle Endeavour Ahead of Final Landing
31 May 2011, 01:34 PM ET
Kelly reflected on his difficult choice to fly in space this time from his perch 220 miles above the Earth.
31 May 2011, 10:43 AM ET
Spectacular photos show Endeavour at the space station over nighttime Earth.
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, 07:09 AM ET
NASA will move a space shuttle to the launch pad for the last time tonight.
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, 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, 09:30 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.
27 May 2011, 10:14 PM ET
NASA has a new spaceflight champion and his name is Mike Fincke.
27 May 2011, 03:09 PM ET
Nine astronauts onboard the International Space Station will spend the holiday weekend hard at work.
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, 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, 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.
24 May 2011, 10:34 PM ET
How NASA's new Multi-Purpose Crew Vehicle stacks up against other spaceships in this SPACE.com infographic.
24 May 2011, 01:30 PM ET
NASA has revealed details of the spaceship that will take astronauts to an asteroid and then on to Mars.
24 May 2011, 01:18 PM ET
See photos of NASA's Multi-Purpose Crew Vehicle concept developed from the Orion Crew Exploration Vehicle.
24 May 2011, 11:50 AM ET
NASA is set to make a big announcement today (May 24) about its plans for the human exploration of deep space.
23 May 2011, 12:30 AM ET
Endeavour astronauts Mark Kelly and Mike Fincke spoke to Tucson elementary school students 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, 06:43 AM ET
Astronauts on shuttle Endeavour took a closer look at their shuttle's heat shield Saturday to inspect a gouge.
20 May 2011, 04:07 PM ET
Endeavour astronauts will take another look at a small belly tile ding to make sure it poses no threat to the shuttle.
20 May 2011, 01:08 PM ET
The targeted launch date for the final mission of NASA's space shuttle program – Atlantis' STS-135 flight – has been set for July 8.
20 May 2011, 09:06 AM ET
Two spacewalkers completed the first of four spacewalks for the shuttle Endeavour's mission.
19 May 2011, 05:00 PM ET
Today more than 500 scientists breathed a sigh of relief to see their prized experiment safely installed on the International Space Station.
19 May 2011, 05:00 PM ET
NASA will ask Endeavour astronauts to conduct an extra inspection of damaged tiles on their shuttle's heat shield.
19 May 2011, 03:18 PM ET
Two spacewalkers will swap out science experiment materials outside the space station.
19 May 2011, 08:39 AM ET
Astronaut Mark Kelly received updates about his wife's surgery while working on the International Space Station.
19 May 2011, 05:49 AM ET
Endeavour astronauts attached the station's new Alpha Magnetic Spectrometer to hunt for invisible cosmic rays.
18 May 2011, 05:05 PM ET
Space shuttle astronauts will attach the $2 billion Alpha Magnetic Spectrometer to the outside of the station.
18 May 2011, 01:31 PM ET
Kelly has thorough training focusing on the mission at hand despite events in his personal life.