Shuttle undocks from ISS
Posted: Tue, Mar 25 7:35 AM ET (1135 GMT)
The space shuttle Endeavour wrapped up a record-setting stay at the International Space Station and undocked from the station on Monday night. Endeavour separated...

Justice Department approves XM-Sirius merger
Posted: Mon, Mar 24 8:27 PM ET (0027 GMT)
The US Justice Department announced Monday that it would approve the merge of Sirius Satellite Radio and XM Satellite Radio without any conditions on the...

Astronauts complete final STS-123 EVA
Posted: Sun, Mar 23 9:22 AM ET (1322 GMT)
Two astronauts spent six hours outside the International Space Station Saturday night, completing a final set of tasks planned for the STS-123 mission. Robert...

Titan may have underground ocean
Posted: Sat, Mar 22 9:32 AM ET (1332 GMT)
Saturn's largest moon, Titan, may have an ocean of water and ammonia under its surface, planetary scientists reported this week. The evidence for the...

Martian salt deposits could be clue in search for life
Posted: Sat, Mar 22 9:20 AM ET (1320 GMT)
Salt deposits discovered on the surface of Mars in data from a NASA mission could help scientists identify prime locations to look for evidence of...

Astronauts test tile repair techniques on EVA
Posted: Fri, Mar 21 8:47 AM ET (1247 GMT)
Two astronauts successfully tested tools that could be used to repair damage to the shuttle's thermal protection system during a six-and-a-half-...

Canada delays decision on MDA sale
Posted: Fri, Mar 21 8:32 AM ET (1232 GMT)
The Canadian government on Thursday extended the deadline for its decision on approving the sale of the space unit of a Canadian company to an...

Zenit-3SL launches HDTV satellite
Posted: Thu, Mar 20 6:54 AM ET (1054 GMT)
A Sea Launch rocket success launched a new satellite designed to provide HDTV programming to customers in the US. The Zenit-3SL lifted off from...

Methane detected on exoplanet
Posted: Thu, Mar 20 6:41 AM ET (1041 GMT)
Astronomers have detected evidence of methane in the atmosphere of an extrasolar planet, the first organic molecule discovered on a planet outside our solar system....

Arthur C. Clarke passes away
Posted: Wed, Mar 19 6:32 AM ET (1032 GMT)
Arthur C. Clarke, the legendary science fiction author and inventor of the concept of the geosynchronous communications satellite, passed away Wednesday in Sri Lanka at...