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08 April 2013, 10:15 AM ET
The director of the Lewis Research Center addresses the importance and uses of nuclear propulsion.
08 April 2013, 10:09 AM ET
A new private rocket was rolled onto its launch pad in Virginia on Saturday (April 6)
08 April 2013, 10:04 AM ET
Sen. Bill Nelson announced a bold plan to 'lasso' a passing asteroid and bring it closer to our planetary system for examination.
08 April 2013, 09:23 AM ET
NASA's Goddard Space Flight Center is developing a new instrument that uses the natural beacons of pulsar radiation, to let spacecraft find their way in deep space. A test on ISS is planned.
08 April 2013, 07:00 AM ET
Progress made over the next year will determine whether the Mission for America gets off the ground in 2018.
08 April 2013, 07:00 AM ET
NWA 7325 may be too old to have plausibly come from the solar system's innermost planet.
08 April 2013, 06:30 AM ET
Seeing the Southern Cross and Large Magellanic Cloud for the first time is thrilling.
07 April 2013, 01:00 PM ET
NASA's absence this year isn't stopping this gathering of 9,000 space industry leaders.
07 April 2013, 01:00 PM ET
What was your favorite space news story of the last week?
06 April 2013, 01:57 PM ET
From dazzling northern lights to Star Trek in London, don't miss these amazing space photos of the week.
05 April 2013, 06:52 PM ET
The actor has said he's considering buying a ticket to space.
05 April 2013, 06:50 PM ET
See photos from NASA's Pioneer 10 and 11 mission to Saturn and Jupiter in the 1970s.
05 April 2013, 06:31 PM ET
One mission will hunt Earth-like alien planets, while the other will probe the secrets of neutron stars.
05 April 2013, 06:25 PM ET
The tiny moon Enceladus is one of the most promising potential sites for hosting life in the solar system.
05 April 2013, 06:04 PM ET
Are you a space station veteran? Take our quiz and find out.
05 April 2013, 05:16 PM ET
The money should jump-start an ambitious program to send astronauts to a space rock in 2021.
05 April 2013, 04:48 PM ET
Hydrogen peroxide could be an energy source for life, if it exists in Europa's underground ocean.
05 April 2013, 04:39 PM ET
The risky mission took the small satellite dangerously close to Jupiter's surface and through Saturn's outer rings.
05 April 2013, 04:22 PM ET
The world's largest vacuum chamber is ready for NASA's James Webb Space Telescope.
05 April 2013, 04:04 PM ET
On April 5th, 1973 the Pioneer 11 spacecraft was launched from Cape Canaveral on what was originally a back up mission for the Pioneer 10. Eventually NASA made an ambitious mid-mission change to Pioneer 11's trajectory, sending it to Saturn & beyond.
05 April 2013, 04:02 PM ET
Sunspot 1748 had just begun its rotation to the Earthside of the Sun on April 5th and already has erupted twice. The first was a C2-class flare and a stronger M2-class flare occurred about 10 hours later.
05 April 2013, 03:59 PM ET
You can see all but a few of the 110 Messier objects in a single night this weekend.
05 April 2013, 02:25 PM ET
This beautiful space wallpaper reveals a small, sparkling hook in the dark sky known as J082354.96+280621.6, or J082354.96 for short. It is a starburst galaxy, so named because of the incredibly (and unusually) high rate of star formation occurring within
05 April 2013, 11:57 AM ET
Virgin Galactic's SpaceShipTwo flew a glide test in preparation for carrying passengers.
05 April 2013, 10:14 AM ET
Space weapons may have been conceived in the realm of science fiction, but they have since crept closer toward science fact. President Barack Obama has proposed a ban on space weapons in the United States, but other countries are taking active roles in ta
