STS-115 crew completes final spacewalk
Posted: Sat, Sep 16 12:10 PM ET (1610 GMT)
Two shuttle astronauts performed the third and final spacewalk of the STS-115 mission on Friday, all but wrapping up a successful assembly mission to...

Astronomers discover bloated planet
Posted: Fri, Sep 15 8:24 AM ET (1224 GMT)
Astronomers announced Thursday that they have found an extrasolar planet that is larger than Jupiter but only half its mass, making it the less dense...

Official name announced for "Xena"
Posted: Thu, Sep 14 9:36 PM ET (0136 GMT)
The International Astronomical Union (IAU) announced this week that it has selected an official name for 2003 UB313, the "dwarf planet" discovered last year that...

New ISS solar panel deployed
Posted: Thu, Sep 14 9:26 PM ET (0126 GMT)
A new set of solar panels installed on the International Space Station earlier this week by the current shuttle mission successfully deployed Thursday. The panels,...

Russia launches military satellite
Posted: Thu, Sep 14 2:03 PM ET (1803 GMT)
A Soyuz rocket launched a Russian military satellite on Thursday. The Soyuz-U rocket lifted off from the Baikonur Cosmodrome in Kazakhstan at 9:41...

Spacewalks complete truss work despite bolt problem
Posted: Wed, Sep 13 8:58 PM ET (0058 GMT)
Two astronauts completed work on a new truss segment on the International Space Station on Tuesday despite a problem with a stuck bolt. Astronauts Dan...

MRO enters science orbit
Posted: Wed, Sep 13 8:37 PM ET (0037 GMT)
NASA's Mars Reconnaissance Orbiter (MRO) spacecraft has completed the aerobraking phase of its mission and is now in its final orbit from which it...

China launches communications satellite
Posted: Wed, Sep 13 8:31 AM ET (1231 GMT)
A Long March rocket placed a communications satellite into orbit early Wednesday in the second Chinese launch in less than a week. The Long March...

Astronauts complete first STS-115 spacewalk
Posted: Tue, Sep 12 8:06 PM ET (0006 GMT)
Two shuttle astronauts successfully completed a spacewalk outside the International Space Station on Tuesday, helping stall a new truss segment on the station. Astronauts Joe...

Japan launches spysat
Posted: Mon, Sep 11 1:58 PM ET (1758 GMT)
A Japanese rocket launched that nation's third intelligence satellite on Monday. The H-2A rocket lifted off from the Tanegashima launch site at 12:...