Massive solar flares may have protected early Earth
Posted: Thu, May 12 7:02 AM ET (1102 GMT)
Powerful x-ray flares from the early Sun may have prevented the Earth from spiraling in, astronomers said Tuesday. That conclusion was based on observations...

Astronomers witness birth of black hole
Posted: Thu, May 12 6:50 AM ET (1050 GMT)
Astronomers announced this week that they observed a brief gamma-ray burst that they believe signals the birth of a new black hole. The burst,...

Weather satellite launch delayed
Posted: Wed, May 11 8:05 AM ET (1205 GMT)
The launch of a new polar-orbiting weather satellite has been postponed because of high winds early Wednesday. The Delta 2 was scheduled to lift...

NASA picks Stennis for new backoffice
Posted: Tue, May 10 7:20 AM ET (1120 GMT)
NASA announced Monday that it has selected the Stennis Space Center in Mississippi as the home of a new backoffice for the space agency. NASA...

Mars Express boom deployment delayed
Posted: Mon, May 9 8:01 PM ET (0001 GMT)
The European Space Agency announced Monday that it was postponing the deployment of a second boom used by the radar instrument on Mars Express in...

NASA to swap shuttle tanks
Posted: Mon, May 9 6:59 AM ET (1059 GMT)
NASA shuttle managers decided late Friday to exchange the external tank currently mounted to the shuttle Discovery with one intended to be used on the...

Scientists link Saturn moon to outer solar system
Posted: Mon, May 9 6:51 AM ET (1051 GMT)
Planetary scientists reported last week that an outer moon of Saturn surveyed by NASA's Cassini spacecraft last year most likely originated in the outer...

Mars Polar Lander crash site spotted
Posted: Fri, May 6 8:20 AM ET (1220 GMT)
Scientists examining images of the surface of Mars said Thursday that they have spotted what they believe may be the crash site of NASA's...

India launches remote sensing satellite
Posted: Thu, May 5 8:53 AM ET (1253 GMT)
An Indian rocket successfully launched a domestic remote sensing satellite Thursday. The Polar Satellite Launch Vehicle (PSLV) lifted off from a new pad at the...

STS-114 crew completes launch rehearsal
Posted: Thu, May 5 8:39 AM ET (1239 GMT)
The crew of the first post-Columbia shuttle mission wrapped up a dress rehearsal for its July launch this week, encountering only a few minor...