Countdown begins again for shuttle launch
Posted: Sat, May 14 8:44 AM ET (1244 GMT)
NASA started countdown clocks on Friday for Monday morning's scheduled launch of the space shuttle Endeavour on that orbiter's final mission. Countdown clocks...

Volcanic moon Io has molten interior
Posted: Fri, May 13 6:51 AM ET (1051 GMT)
Planetary scientists have determined that Io, a large, volcanically-active moon of Jupiter, has a layer of molten or partially molten magma in its interior....

Japan declares Earth sciences spacecraft lost
Posted: Thu, May 12 7:43 AM ET (1143 GMT)
The Japanese space agency JAXA has ended efforts to try and recover an Earth sciences spacecraft that suffered a malfunction last month, sending commands to...

Dawn spacecraft begins approach to asteroid Vesta
Posted: Thu, May 12 7:32 AM ET (1132 GMT)
NASA's Dawn spacecraft has returned its first image of the asteroid Vesta as it begins its approach to the large asteroid, the space agency...

NASA confirms May 16th launch date for Endeavour
Posted: Tue, May 10 6:13 AM ET (1013 GMT)
NASA shuttle managers announced Monday that they have competed repairs to the shuttle Endeavour and set May 16th as the new launch date for the...

Atlas launches SBIRS satellite
Posted: Sun, May 8 2:41 PM ET (1841 GMT)
An Atlas 5 rocket launched the first of a new series of missile warning satellites on Saturday. The Atlas 5 401 lifted off on schedule...

Shuttle launch postponed to May 16
Posted: Sat, May 7 8:31 AM ET (1231 GMT)
NASA announced Friday that the launch of Endeavour on the next-to-last shuttle mission has been delayed again, this time to no earlier than...

Weather postpones Atlas launch
Posted: Sat, May 7 8:20 AM ET (1220 GMT)
Cloudy conditions delayed Friday's scheduled launch of an Atlas 5 carrying the first of a new generation of missile warning satellites. An Atlas 5...

Space Adventures confirms circumlunar mission plans
Posted: Fri, May 6 7:30 AM ET (1130 GMT)
Space tourism company Space Adventures confirmed Thursday that they plan to carry out a commercial mission around the Moon as early as the end of...

NASA mission confirms elements of general relativity
Posted: Thu, May 5 7:30 AM ET (1130 GMT)
A NASA mission more than half a century in the making has confirmed two key predictions of Einstein's theory of general relativity, project officials...