ISS crew performs spacewalk
Posted: Wed, Mar 11 8:12 AM ET (1212 GMT)
Two members of the International Space Station's crew carried out a spacewalk Tuesday, performing several tasks outside the station in advance of upcoming Shuttle...

Iridium replaces satellite lost in collision
Posted: Wed, Mar 11 7:57 AM ET (1157 GMT)
Iridium Satellite LLC announced Monday that it has replaced a satellite destroyed in a collision with a Russian satellite last month with an on-orbit...

Countdown begins for shuttle launch
Posted: Mon, Mar 9 1:51 PM ET (1751 GMT)
The countdown for Wednesday night's launch of the shuttle Discovery on a mission to the International Space Station started as planned Sunday evening. The...

Delta launches Kepler mission
Posted: Sat, Mar 7 10:52 AM ET (1552 GMT)
A Delta 2 rocket successfully launched NASA's Kepler spacecraft, a mission to search for Earth-like planets around other stars. The Delta 2 rocket...

Former NASA official indicted on ethics charge
Posted: Sat, Mar 7 10:35 AM ET (1535 GMT)
A former key NASA official was indicted Friday on charges he used his influence to steer millions in agency funding to a client. A federal...

Binary black hole system discovered
Posted: Fri, Mar 6 7:34 AM ET (1234 GMT)
Astronomers have found for the first time a pair of supermassive black holes orbiting each other, the result of a previous collision of galaxies. NOAO...

Shuttle cleared for March 11 launch
Posted: Thu, Mar 5 7:06 AM ET (1206 GMT)
Shuttle managers agreed Wednesday to make preparations for the launch of the space shuttle Discovery on the evening of March 11 after resolving an issue...

Mars gullies show signs of recent flowing water
Posted: Wed, Mar 4 7:46 AM ET (1246 GMT)
A gully system on Mars appears to have been created by flowing water relatively recently in the planet's history, scientists reported this week. The...

Chinese lunar orbiter ends mission with crash landing
Posted: Sun, Mar 1 12:06 PM ET (1706 GMT)
China's first mission to the Moon ended Sunday when the spacecraft deorbited and crashed to the lunar surface, as planned. Chang'e-1 hit...

Russia launches military satellite
Posted: Sat, Feb 28 3:00 PM ET (2000 GMT)
A Proton rocket launched a military communications satellite on Saturday. The Proton-K lifted off from the Baikonur Cosmodrome at 11:10 pm EST Friday (...