Valves replaced in EELV upper stages
Posted: Tue, Aug 21 7:32 AM ET (1132 GMT)
A valve implicated in a partial failure of an Atlas 5 rocket in June has been replaced in the engines of the upper stages of...

Shuttle leaves ISS for Tuesday landing
Posted: Sun, Aug 19 11:27 AM ET (1527 GMT)
The space shuttle Endeavour undocked from the International Space Station Sunday morning, one day earlier than previously planned to allow the shuttle to return home...

Hurricane could bring shuttle mission to early end
Posted: Sat, Aug 18 11:30 AM ET (1530 GMT)
NASA is considering bringing the space shuttle Endeavour back to Earth as soon as Tuesday as a powerful hurricane heads towards the Texas coast. Endeavour...

Report: Pentagon cancels TacSat-1 launch
Posted: Sat, Aug 18 11:23 AM ET (1523 GMT)
The Defense Department has canceled plans to launch a technology demonstration satellite on a Falcon 1 rocket, Space News reported this week. The spacecraft, the...

NASA decides against shuttle repairs
Posted: Fri, Aug 17 10:55 AM ET (1455 GMT)
Shuttle managers decided late Thursday not to repair damaged tiles on the underside of the shuttle Endeavour because the damage does not pose a risk...

Star has comet-like tail
Posted: Thu, Aug 16 9:37 AM ET (1337 GMT)
Ultraviolet images taken by a NASA spacecraft have revealed that a well-known star has a comet-like tail that extends for over a dozen...

Third STS-118 spacewalk ends early
Posted: Thu, Aug 16 9:26 AM ET (1326 GMT)
The third spacewalk of the STS-118 shuttle mission ended earlier than scheduled on Wednesday after one of the spacewalking astronauts noticed minor damage to...

Ariane launches two satellites
Posted: Wed, Aug 15 9:25 AM ET (1325 GMT)
An Ariane 5 successfully launched two commercial communications satellites Tuesday evening. The Ariane 5 ECA lifted off from the Kourou, French Guiana spaceport at 7:...

ISS gyro replaced; shuttle repairs still under consideration
Posted: Tue, Aug 14 9:40 AM ET (1340 GMT)
Spacewalkers replaced a faulty gyroscope on the International Space Station during a spacewalk on Monday while shuttle managers continued to study whether on-orbit repairs...

Report: first Chinese manned mission nearly ended in disaster
Posted: Tue, Aug 14 9:19 AM ET (1319 GMT)
China's first manned space mission, Shenzhou 5, nearly had a fatal ending when spacecraft controllers could not communicate or locate the spacecraft during reentry,...