06 April 2011, 06:11 PM ET
NASA is preparing for a shutdown of the federal government, which could begin this weekend if Congress can't agree on a budget.
04 April 2011, 06:30 PM ET
Fifty years ago this month, cosmonaut Yuri Gagarin became the first human to reach outer space. And he's has just returned — albeit in name only.
04 April 2011, 10:10 AM ET
A space traffic jam at the International Space Station forced the 10-day delay.
04 April 2011, 07:02 AM ET
Take a look at the museums vying to nab one of NASA's space shuttles for display.
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.
01 April 2011, 12:48 PM ET
The spouses of two astronauts who died in the space shuttle Columbia accident have joined Houston’s vociferous campaign to win a retired space shuttle.
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.
31 March 2011, 01:08 PM ET
Experimental light therapy helped reduce the painful side effects of cancer treatment.
30 March 2011, 12:57 AM ET
The six astronauts planning to launch aboard Endeavour next month arrived for training activities.
29 March 2011, 01:32 PM ET
Which space museum will win the honors of a NASA space shuttle?
29 March 2011, 12:38 PM ET
NASA wants your vote for the best original wakeup song for the final flight of shuttle Endeavour.
28 March 2011, 01:48 PM ET
Amateur satellite sleuths have successfully caught video and images of the U.S. Air Force's second X-37B space plane in orbit.
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.
21 March 2011, 02:41 PM ET
Thousands of NASA workers at the Kennedy Space Center stood side-by-side to form an outline of a space shuttle on March 18, 2011. The event was organized in honor of the Space Shuttle Program’s 30-year legacy, which began in 1981 and ends in 2011.
19 March 2011, 03:31 PM ET
The unique NASA photo is a rare glimpse of the thousands who help launch space shuttle missions.
16 March 2011, 07:43 PM ET
A sophisticated astrophysics experiment is set to probe the unknowns of our universe.
15 March 2011, 05:45 PM ET
Robonaut 2 will serve as a technology demonstration, helping researchers develop more advanced bots in the future.
15 March 2011, 02:59 PM ET
Before NASA's space shuttle Discovery can retire to a museum, some spaceship surgery is in order.
11 March 2011, 05:04 PM ET
It's a bird! It's a plane! No, it's the shuttle Discovery dumping waste water.
11 March 2011, 12:03 PM ET
More hush-hush missions ahead for Air Force's X-37B space plane, but no firm dates yet.
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, 11:56 AM ET
Technicians will now begin prepping the shuttle to become a museum showpiece
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, 10:00 AM ET
NASA's space shuttle Discovery has racked up some surprising statistics during its lifetime.
09 March 2011, 09:46 AM ET
After 13 years of construction, the International Space Station finally has all its big NASA rooms.
09 March 2011, 05:42 AM ET
Discovery's final landing is a bittersweet moment for the astronauts and ground teams.
09 March 2011, 04:00 AM ET
Space shuttle Discovery will return to Earth today to end an illustrious career in space.
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.
08 March 2011, 04:59 PM ET
NASA has cleared the space shuttle Discovery for one final landing. The final flight of Discovery will land in Florida to end a 13-day space mission, STS-133.
08 March 2011, 02:20 PM ET
See the history of the space shuttle Discovery.