Moon affects Saturn's rotation period
Posted: Fri, Mar 23 11:37 AM ET (1537 GMT)
Geysers erupting from a moon of Saturn have effectively made it impossible to accurately measure the rotation period of the planet, scientists said Thursday. Because...

NASA delays shuttle launch decision
Posted: Thu, Mar 22 3:20 PM ET (1920 GMT)
Shuttle managers elected Wednesday to put off a decision on when to launch the next shuttle mission as it studies how to repair an external...

SpaceX launches second Falcon 1
Posted: Wed, Mar 21 8:31 AM ET (1231 GMT)
A Falcon 1 rocket lifted off late Tuesday on a test flight that the rocket's developer, SpaceX, declared a success even though the rocket...

Satellite radio merger faces Senate opposition
Posted: Wed, Mar 21 8:12 AM ET (1212 GMT)
A planned merger of the two leading satellite radio broadcasters in the US got a skeptical reception from members of the US Senate on Tuesday....

Falcon 1 launch scrubbed
Posted: Tue, Mar 20 7:51 AM ET (1151 GMT)
The launch of the second Falcon 1 small launch vehicle was scrubbed late Monday shortly before liftoff because of a technical glitch. The launch of...

Extensive water ice found at Martian south pole
Posted: Mon, Mar 19 1:48 PM ET (1748 GMT)
Large amounts of water ice have been found at the south pole of Mars, scientists announced late last week. Analysis of radar data from the...

NASA picks name for ISS node
Posted: Fri, Mar 16 8:14 PM ET (0014 GMT)
NASA announced Thursday that a key module to be added to the International Space Station later this year has been officially named "Harmony". The name...

Giant KBO victim of massive collision
Posted: Thu, Mar 15 8:35 AM ET (1235 GMT)
A giant, oblong-shaped Kuiper Belt object (KBO) in the outer solar system likely got its odd shape as the result of a collision early...

Pad cracks delay next Delta 4 launch
Posted: Wed, Mar 14 8:27 PM ET (0027 GMT)
The upcoming launch of the heavy version of the Delta 4 on its first operational mission has been delayed until some time this summer in...

Cassini sees new evidence of Titan lakes
Posted: Wed, Mar 14 8:42 AM ET (1242 GMT)
Planetary scientists reported this week that the radar on the Cassini spacecraft has found new evidence of lakes of liquid hydrocarbons on Saturn's largest...