Spirit rover may have begun hibernation
Posted: Thu, Apr 1 6:19 AM ET (1019 GMT)
NASA's Mars rover Spirit missed a routine communications session with Earth earlier this week, leading project officials to conclude that the aging rover has...

Unusual temperature patterns spotted on Saturn moon
Posted: Tue, Mar 30 7:03 AM ET (1103 GMT)
Data from NASA's Cassini spacecraft have revealed an unusual pattern of temperatures on the surface of one of Saturn's moons, scientists said Monday....

Shuttle cleared for April 5 launch
Posted: Sat, Mar 27 9:03 AM ET (1303 GMT)
NASA managers gave their approval Friday to plans to launch the space shuttle Discovery on April 5. Discovery will launch at 6:21 am EDT (...

Ariane launch delayed
Posted: Sat, Mar 27 8:54 AM ET (1254 GMT)
Arianespace scrubbed Friday's scheduled launch of two communications satellites because of a problem with the Ariane 5 launch vehicle. The rocket was scheduled to...

Lockheed and ATK revive Athena rocket program
Posted: Fri, Mar 26 7:02 AM ET (1102 GMT)
Lockheed Martin and Alliant Techsystems announced Thursday that they were introducing the Athena line of small launch vehicles, primarily to go after civil and military...

UK announces new space agency
Posted: Wed, Mar 24 7:36 AM ET (1136 GMT)
The British government announced Tuesday the formation of a full-fledged space agency to centralize British space activities. The UK Space Agency will begin operations...

Helium "rain" predicted for Jupiter
Posted: Wed, Mar 24 7:20 AM ET (1120 GMT)
Liquid helium precipitating out of Jupiter's upper atmosphere may explain the relative lack of neon there, scientists said this week. University of California Berkeley...

SpaceShipTwo performs first captive carry flight
Posted: Tue, Mar 23 8:06 AM ET (1206 GMT)
SpaceShipTwo, the commercial suborbital vehicle under development for Virgin Galactic, left the ground for the first time on Monday attached to its carrier aircraft. SpaceShipTwo...

Proton launches EchoStar satellite
Posted: Sun, Mar 21 11:55 AM ET (1555 GMT)
A Proton rocket successfully launched an American direct-to-home television satellite early Sunday. The Proton M lifted off from the Baikonur Cosmodrome in Kazakhstan...

New "temperate" exoplanet discovered
Posted: Sat, Mar 20 10:27 AM ET (1427 GMT)
Astronomers announced this week the discovery of a Jupiter-sized extrasolar planet in an orbit distant enough from its parent star to have relatively moderate...