NASA reinstates ISS spacewalks
Posted: Fri, Mar 24 8:19 AM ET (1319 GMT)
Just one day after NASA banned spacewalks from the ISS, the space agency has lifted the ban after determining a workaround for a potential handhold...

New type of comets may be source of Earth's water
Posted: Fri, Mar 24 8:14 AM ET (1314 GMT)
A new class of comets discovered in the main asteroid belt could be the source of the Earth's water, astronomers said Thursday. In a...

ISS spacewalks put on hold
Posted: Thu, Mar 23 8:10 AM ET (1310 GMT)
Space station managers have put a hold on any future spacewalks at the International Space Station because of concerns about handrails on the orbiting outpost...

Pegasus launches ST5
Posted: Wed, Mar 22 1:58 PM ET (1858 GMT)
A Pegasus rocket successfully launched the three microsatellites that comprise NASA's Space Technology 5 (ST5) mission Wednesday morning. The Pegasus XL was dropped from...

Falcon 1 launch set for Thursday
Posted: Wed, Mar 22 6:59 AM ET (1159 GMT)
SpaceX has set the inaugural launch of its Falcon 1 rocket for Thursday after completing a static fire test earlier this week. In a brief...

Spirit loses use of one wheel
Posted: Tue, Mar 21 8:30 AM ET (1330 GMT)
One of the six wheels on the Mars Exploration Rover Spirit has stopped working entirely, forcing rover engineers to drag the wheel along as they...

ISS crew moves Soyuz
Posted: Mon, Mar 20 8:40 AM ET (1340 GMT)
The two-man crew of the International Space Station briefly left the orbiting outpost early Monday, flying their Soyuz spacecraft from one docking port on...

Report: Pentagon to recommend approval of ULA
Posted: Sat, Mar 18 10:15 AM ET (1515 GMT)
Top Defense Department officials have reportedly recommended that the federal government approve the formation of the United Launch Alliance, a merger of Boeing and Lockheed...

NASA to investigate shuttle arm mishap
Posted: Sat, Mar 18 10:06 AM ET (1506 GMT)
NASA announced Friday that is has convened a board to investigate a mishap at the Kennedy Space Center that damaged the shuttle Discovery's robotic...

Astronomers find more evidence for Big Bang, inflation
Posted: Fri, Mar 17 8:04 AM ET (1304 GMT)
Scientists analyzing data from a NASA spacecraft said Thursday they have found new evidence that the universe underwent a sharp expansion in the first trillionth...