Astronauts perform second ISS spacewalk
Posted: Mon, Feb 5 8:34 AM ET (1334 GMT)
Two American astronauts performed the second in a series of three spacewalks outside the International Space Station on Sunday, completing work on the station's...

China launches navigation satellite
Posted: Sat, Feb 3 7:04 AM ET (1204 GMT)
A Chinese rocket launched a new navigation satellite early Saturday in that nation's first orbital launch of the year. The Long March 3A rocket...

Two ventures win Space Act agreements with NASA
Posted: Sat, Feb 3 6:55 AM ET (1155 GMT)
Two new companies attempting to develop vehicles that could transport cargo and passengers to and from the ISS have signed Space Act agreements with NASA...

NASA clears Mars lander despite overruns
Posted: Fri, Feb 2 8:25 AM ET (1325 GMT)
NASA officials have decided to let a Mars lander mission scheduled for launch later this year proceed despite cost overruns. The Phoenix mission underwent a "...

ISS astronauts complete spacewalk
Posted: Thu, Feb 1 8:49 AM ET (1349 GMT)
Two US astronauts completed the first in a closely-spaced series of three spacewalks outside the ISS on Wednesday. Astronauts Mike Lopez-Alegria and Sunita...

House committee approved reduced NASA budget
Posted: Wed, Jan 31 8:03 AM ET (1303 GMT)
The House Appropriations Committee approved a funding resolution Tuesday for the remainder of the 2007 fiscal year that would leave NASA a half-billion dollars...

Zenit 3SL explodes at liftoff
Posted: Tue, Jan 30 8:29 PM ET (0129 GMT)
A Sea Launch Zenit 3SL rocket exploded upon liftoff late Tuesday, destroying the launch vehicle and its communications satellite payload. The Zenit 3SL was scheduled...

Hubble camera fails
Posted: Tue, Jan 30 8:12 AM ET (1312 GMT)
A key instrument on the Hubble Space Telescope shut down over the weekend and is likely all but lost for good, NASA officials said Monday....

Any Mars life deep underground
Posted: Tue, Jan 30 8:01 AM ET (1301 GMT)
If the planet Mars still harbors any living organisms, they must exist well below the surface to avoid being killed by radiation, scientists concluded in...

Mars may still have large amounts of water
Posted: Fri, Jan 26 7:33 AM ET (1233 GMT)
Much of the water and carbon dioxide that Mars had early in its history may still be locked up within the planet, scientists said Thursday....