Mars rock offers more evidence of liquid water
Posted: Fri, May 21 4:12 PM ET (2012 GMT)
A rock ejected from a large crater near the landing site of one of NASA's Mars Exploration Rovers has given scientists additional evidence that...

ISS spacewalk plans hampered by glitches
Posted: Fri, May 21 8:45 AM ET (1245 GMT)
Problems have plagued efforts by the crew of the ISS to prepare for a repair spacewalk, suggesting that next month's EVA may be delayed....

Taurus launches Taiwanese satellite
Posted: Thu, May 20 9:13 PM ET (0113 GMT)
A Taurus rocket, making its first flight in over two and a half years, successfully launched a remote sensing satellite for the government of Taiwan...

Panel: shuttle return-to-flight still faces challenges
Posted: Thu, May 20 8:50 PM ET (0050 GMT)
An independent panel reviewing NASA's efforts to return the space shuttle program to flight believes that effort is making good progress but faces challenges...

Atlas launches communications satellite
Posted: Thu, May 20 7:33 AM ET (1133 GMT)
An Atlas 2AS launched a communications satellite Wednesday night on the penultimate launch of the venerable launch vehicle. The Atlas 2AS lifted off from pad...

Space Adventures to send Japanese tourist to ISS
Posted: Thu, May 20 7:14 AM ET (1114 GMT)
American space tourism company Space Adventures announced this week that it has signed an agreement with a Japanese advertising company to send a Japanese tourist...

Chandra offers new evidence for dark energy
Posted: Wed, May 19 8:47 AM ET (1247 GMT)
Images from the orbiting Chandra X-Ray Observatory have provided astronomers with new evidence that a mysterious "dark energy" is causing the expansion of the...

China backs away from manned lunar mission plans
Posted: Tue, May 18 1:54 PM ET (1754 GMT)
China will concentrate on developing a space station and has no plans to send humans to the Moon, a leading Chinese space official said this...

Amateur rocket reaches space
Posted: Tue, May 18 1:47 PM ET (1747 GMT)
A rocket launched from the Nevada desert on Monday has become the first amateur-built rocket to reach space. The GoFast Rocket, assembled by a...

Orbit glitch consumes propellant on new satellite
Posted: Sun, May 16 12:52 PM ET (1652 GMT)
A Japanese communications satellite launched last month has reached its final orbit but with far less propellant onboard than planned, apparently because of an unforeseen...