17 May 2013, 03:53 PM ET
Dream Chaser's first free-flight test is slated for later this year.
17 May 2013, 01:45 PM ET
Electric propulsion technology has matured to the point that NASA may consider it as part of a scheme to send people to Mars.
17 May 2013, 12:26 PM ET
The agency must take a realist attitude to what can be done with little money, Bolden said.
17 May 2013, 10:01 AM ET
The X-38 research vehicle touches down on Rogers Dry Lakebed.
17 May 2013, 07:00 AM ET
Images of electric spacecraft, which have explored the moon, Mars and beyond.
16 May 2013, 06:03 PM ET
The new spacecraft will aid the network of navigation satellites.
16 May 2013, 04:33 PM ET
The Apollo engines are being restored in Kansas, and the public is invited to come see.
16 May 2013, 03:54 PM ET
Astronauts on the ground and in space spoke with three actors from 'Star Trek Into Darkness' today during a NASA-sponsored Google+ Hangout.
16 May 2013, 01:00 PM ET
Inspiration Mars may use a SpaceX rocket, a pair of ULA boosters, or NASA's SLS.
16 May 2013, 12:42 PM ET
Astronomer Geoff Marcy tweaked W.H. Auden's poem to grieve for the troubled Kepler Space Telescope.
16 May 2013, 12:19 PM ET
The Space Shuttle Atlantis departs the Mir Russian Space Station.
16 May 2013, 11:14 AM ET
NASA Astronaut Karen Nyberg is a flight engineer on the Expedition 36/37 crew and in her down time will be hard at work with the fabric and thread she is bringing along. She is scheduled to launch to the ISS aboard a Soyuz TMA-09M on May 28th, 2013.
16 May 2013, 09:40 AM ET
'Star Trek Into Darkness' warps into theaters today (May 16). Is there a link between Starfleet and NASA's shuttle fleet?
16 May 2013, 07:43 AM ET
NASA will host a Google+ Hangout with the cast and crew of "Star Trek Into Darkness" and space station astronaut Chris Cassidy today.
15 May 2013, 10:10 PM ET
See amazing photos of an Atlas 5 rocket launching a new GPS satellite into orbit for the U.S. military on May 15, 2013.
15 May 2013, 03:08 PM ET
Eutelsat 3D will serve Africa, Europe, the Middle East and Central and South Asia.
15 May 2013, 02:12 PM ET
There is no evidence that the launch was an anti-satellite test, experts say.
15 May 2013, 11:47 AM ET
Lovell has signed up with Golden Spike, which aims to launch commercial moon voyages by 2020.
15 May 2013, 10:06 AM ET
John Glenn enters the Friendship 7 just before being launched into space for America's first manned Earth orbital mission.
15 May 2013, 05:00 AM ET
Hadfield became the first-ever Canadian commander of the International Space Station.
15 May 2013, 04:30 AM ET
The Mars Orbiting Space Telescope could help assess the Red Planet's potential to host life, advocates say.
14 May 2013, 05:37 PM ET
A private company's manned moon lander has moved one step closer to reality.
14 May 2013, 12:50 PM ET
Residents of the International Space Station will get a treat when they preview the newest "Star Trek" film this week.
14 May 2013, 12:30 PM ET
Four-time space shuttle astronaut C.J. Sturckow has signed on with the company.
14 May 2013, 11:11 AM ET
See photos and images of the USS Enterprise, the iconic 'Star Trek' starship and its legacy in space and at sea.