MESSENGER flies past Earth
Posted: Wed, Aug 3 8:30 AM ET (1230 GMT)
One year after launch, NASA's MESSENGER spacecraft flew past the Earth Tuesday en route to its final destination, Mercury. MESSENGER passed 2,347 km...

NASA plans gap filler repair after successful gyro work
Posted: Tue, Aug 2 5:32 AM ET (0932 GMT)
Hours after astronauts successfully replaced a gyroscope on the International Space Station, NASA officials said late Monday that spacewalkers would attempt repairs to "gap fillers"...

NASA considering gap filler repair
Posted: Mon, Aug 1 5:38 AM ET (0938 GMT)
NASA shuttle engineers and managers are considering having the STS-114 crew perform an additional spacewalk to repair two gap fillers that appear to be...

STS-114 mission extended a day
Posted: Sun, Jul 31 10:33 AM ET (1433 GMT)
NASA announced late Saturday that would extend the STS-114 shuttle mission by one day to allow the crew to perform additional work at the...

Cassini sees signs of volcanism on Enceladus
Posted: Sun, Jul 31 10:21 AM ET (1421 GMT)
Enceladus, a small, icy moon of Saturn, may surprisingly be volcanically active, scientists analyzing data from the Cassini mission announced Friday. Cassini detected a large...

STS-114 astronauts complete first EVA
Posted: Sat, Jul 30 3:45 PM ET (1945 GMT)
Two members of the STS-114 crew conducted a spacewalk outside the space shuttle Discovery Saturday, testing shuttle tile repair techniques and performing work on...

Astronomers claim discovery of tenth planet
Posted: Fri, Jul 29 9:45 PM ET (0145 GMT)
Planetary astronomers announced late Friday that they have discovered a distant object that, based on its size, would qualify as the solar system's tenth...

NASA considers extending STS-114 mission
Posted: Fri, Jul 29 9:23 PM ET (0123 GMT)
Facing a potentially extended gap before the next shuttle flight, NASA is considering extending the current STS-114 mission by an extra day. Mission managers...

PanAmSat buys first Land Launch mission
Posted: Fri, Jul 29 9:04 AM ET (1304 GMT)
Communications satellite operator PanAmSat will be the first customer for Land Launch, the land-based variant of the Sea Launch system, Boeing announced Thursday. PanAmSat...

Weather satellite launch delayed
Posted: Fri, Jul 29 8:51 AM ET (1251 GMT)
The launch of a geostationary orbit weather satellite, scheduled for Friday night, has been delayed because of an unspecified problem with the satellite. A Delta...