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...

Investigation blames Sea Launch accident on engine failure
Posted: Tue, Mar 13 8:52 PM ET (0052 GMT)
Contamination in an engine turbopump is the root cause of the failure of Zenit-3SL rocket that collapsed and exploded on its floating launch pad...

Ariane launches two satellites
Posted: Mon, Mar 12 8:33 AM ET (1233 GMT)
An Ariane 5 rocket successfully launched British and Indian communications satellites Sunday evening. The Ariane 5 ECA lifted off from Kourou, French Guiana at 6:...

Sunlight affects asteroid spin
Posted: Mon, Mar 12 8:25 AM ET (1225 GMT)
Astronomers have found that the weak but constant force of sunlight is causing the spin of a small asteroid to accelerate. In a paper published...

Technical glitch delays Ariane 5 launch
Posted: Sun, Mar 11 1:58 PM ET (1758 GMT)
The launch of two communications satellites Saturday was postponed for 24 hours because of a problem with ground equipment. The Ariane 5 ECA was scheduled...

OrbView 3 satellite malfunctions
Posted: Sat, Mar 10 8:27 AM ET (1327 GMT)
The commercial remote sensing satellite OrbView 3 has not been able to create usable imagery for several days, GeoEye announced this week. In a regulatory...

Mars mineral deposits linked to groundwater
Posted: Sat, Mar 10 8:19 AM ET (1319 GMT)
Mineral salt deposits found on the surface of Mars by one of NASA's Mars rovers may have been created by seeping groundwater rather than...

Atlas 5 launches military satellites
Posted: Fri, Mar 9 8:27 AM ET (1327 GMT)
An Atlas 5 rocket launched a half-dozen small military satellites Thursday night, including two that will test advanced satellite servicing technologies. The Atlas 5...