26 April 2011, 02:37 PM ET
The six astronauts slated to ride the space shuttle Endeavour on its last mission to space arrived in Florida today.
26 April 2011, 01:33 PM ET
The $2 billion Alpha Magnetic Spectrometer was nearly cancelled, but will finally get a chance to seek out dark matter, antimatter and cosmic rays.
26 April 2011, 11:14 AM ET
There's an 80 percent chance of good weather for Friday's planned launch of the space shuttle Endeavour.
26 April 2011, 08:25 AM ET
NASA officials say they did not consider the coincidence when scheduling the launch.
25 April 2011, 09:21 AM ET
Gabrielle Giffords will be at the upcoming launch of the space shuttle Endeavour.
22 April 2011, 09:26 AM ET
The Pope will make a special call to the space station during the upcoming flight of the space shuttle Endeavour.
22 April 2011, 06:00 AM ET
Hotels in the area have been booked for months, and near record turnout is expected to come watch the liftoff.
22 April 2011, 05:00 AM ET
Where and when to go to catch an unforgettable view of NASA's second-to-last space shuttle launch
20 April 2011, 03:34 PM ET
President Barack Obama and his family will attend NASA's final launch of space shuttle Endeavour on April 29.
20 April 2011, 03:12 PM ET
The STS-134 crew illustrates the mission objectives with animations of the AMS-02 install, spacewalks, iss flyaround and more.
19 April 2011, 04:57 PM ET
Top officials at NASA voted unanimously to launch the shuttle Endeavour on its last voyage to space April 29.
19 April 2011, 11:43 AM ET
NASA mission managers are meeting to decide on a launch date for the space shuttle Endeavour's last trip to orbit.
11 April 2011, 07:00 AM ET
Some museum officials will be thrilled, and many others disappointed, when the decision is announced on Tuesday.
08 April 2011, 03:28 PM ET
SPACE.com spoke to Wayne Hale about the upcoming anniversary of NASA's first space shuttle launch.
04 April 2011, 10:10 AM ET
A space traffic jam at the International Space Station forced the 10-day delay.
01 April 2011, 03:47 PM ET
The astronauts slated to fly the final mission of space shuttle Endeavour ran through a practice launch countdown today.
31 March 2011, 02:27 PM ET
Mother Nature hasn't been cooperating in NASA's preparations to launch Endeavour on its final flight next month.
30 March 2011, 12:57 AM ET
The six astronauts planning to launch aboard Endeavour next month arrived for training activities.
29 March 2011, 12:38 PM ET
NASA wants your vote for the best original wakeup song for the final flight of shuttle Endeavour.
25 March 2011, 05:21 PM ET
Astronaut Mark Kelly said there's a good chance his wife, Congresswoman Gabrielle Giffords, will attend his upcoming launch.
25 March 2011, 03:08 PM ET
NASA is still investigating the death of a space shuttle worker who fell from a launch pad at the agency's Florida spaceport last week.
24 March 2011, 05:59 PM ET
Six astronauts are preparing to launch April 19 on the last mission of the space shuttle Endeavour
24 March 2011, 04:01 PM ET
Twin astronauts Mark and Scott Kelly are working to keep the public focused on their space missions, not their private lives.
22 March 2011, 12:00 PM ET
The grand prize winner is "Northstar Table," which boasts a hidden drawer that pops out when it's touched in the right spot.
22 March 2011, 11:43 AM ET
See the winners of the NASA/Etsy Space Craft Contest in photos.
19 March 2011, 03:31 PM ET
The unique NASA photo is a rare glimpse of the thousands who help launch space shuttle missions.
18 March 2011, 11:43 PM ET
It was a family affair for two identical twin astronauts who were reunited on March 17.
16 March 2011, 07:43 PM ET
A sophisticated astrophysics experiment is set to probe the unknowns of our universe.
14 March 2011, 11:51 AM ET
A worker died after falling from Launch Pad 39A, where the space shuttle Endeavour is being prepped to launch next month.
11 March 2011, 01:31 AM ET
Injured Rep. Gabrielle Giffords plans to watch her husband launch on shuttle Endeavour on April 19.
10 March 2011, 11:20 PM ET
The space shuttle Endeavour made its final trek to the launch pad today.
09 March 2011, 10:34 AM ET
All three of NASA's space shuttles are headed to museums, and numerous institutions are vying for the right to display them.
09 March 2011, 03:59 AM ET
NASA's shuttle Endeavour will make its last trek to the launch pad today as Discovery returns to Earth.
06 March 2011, 06:02 AM ET
SPACE.com has put together a list of some serious wakeup tunes, space music for astronauts.
06 March 2011, 06:00 AM ET
NASA has been waking astronauts in space with music for years. But singers and songwriters have been thinking about space too.
05 March 2011, 02:51 PM ET
NASA will move the shuttle Endeavour to the launch pad March 9 ahead of its final mission.