13 June 2011, 07:13 PM ET
The Robotic Refueling Mission is a novel experiment that will fly on Atlantis' upcoming STS-135 mission.
13 June 2011, 02:58 PM ET
Europe's space agency hopes to launch a reusable robot space plane into orbit by 2020.
10 June 2011, 01:50 PM ET
The iPhones will be loaded with an app to perform experiments in space
07 June 2011, 07:14 PM ET
See the first-ever photos of a NASA shuttle and the International Space Station linked together as seen from another spacecraft.
07 June 2011, 05:59 PM ET
See the first-ever photos of a NASA shuttle (Endeavour) and ISS as seen from a nearby Soyuz.
07 June 2011, 05:35 PM ET
NASA's last space shuttle to fly will carry some special "nose art" on its fuel tank during its July 8 launch.
06 June 2011, 03:11 PM ET
Case your vote for the most memorable photo of the human spaceflight era.
03 June 2011, 04:22 PM ET
As Endeavour landed on June 1, the orbiter's double sonic booms led to the arrest of two men accused of a string of burglaries.
03 June 2011, 11:56 AM ET
The United States Honor Flag, which flew over the World Trade Center site after September 11th, has been handed off to NASA in preparation for its flight aboard Atlantis on the final mission of the Space Shuttle program.
02 June 2011, 01:07 PM ET
Xenon lights help lead space shuttle Endeavour home to NASA's Kennedy Space Center in Florida.
02 June 2011, 01:07 PM ET
Detecting the sounds of damage aboard spacecraft could help avert disasters, researchers suggest.
01 June 2011, 11:08 AM ET
Endeavour will begin preparations for a life of leisure as a museum showpiece.
01 June 2011, 10:54 AM ET
Flying on the space shuttle Endeavour's final mission was a dream come true for the orbiter's crew.
01 June 2011, 08:27 AM ET
See photos from the last landing of NASA's space shuttle Endeavour.
01 June 2011, 08:03 AM ET
NASA is turning its attention to the very last flight of the agency's storied space shuttle program.
01 June 2011, 02:30 AM ET
Endeavour touched down at Kennedy Space Center in Florida today to end its final mission before retirement.
01 June 2011, 01:17 AM ET
A look at the 19-year career of NASA's youngest shuttle, Endeavour.
31 May 2011, 08:00 PM ET
Atlantis made its final trek to the launch pad tonight for a July 8 launch.
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.