Spitzer detects light from exoplanets
Posted: Tue, Mar 22 6:59 PM ET (2359 GMT)
Astronomers announced Tuesday that they have seen for the first time light coming directly from two extrasolar planets. In separate studies, astronomers reported that they...

Air Force space leader Teets retires
Posted: Sat, Mar 19 9:46 AM ET (1446 GMT)
Peter Teets, acting secretary of the US Air Force and the leading Defense Department official on space issues, announced his resignation Friday. Teets, who had...

ISS gyro problem will not delay shuttle launch
Posted: Fri, Mar 18 7:18 AM ET (1218 GMT)
NASA officials said Thursday that the failure of a gyroscope on the International Space Station earlier this week will not force them to delay the...

Cassini finds atmosphere around Enceladus
Posted: Fri, Mar 18 7:00 AM ET (1200 GMT)
NASA's Cassini spacecraft has detected a tenuous atmosphere surrounding the Saturnian moon Enceladus, scientists said this week. The discovery was based on observations of...

Delta 4 Heavy flaw identified
Posted: Thu, Mar 17 7:39 AM ET (1239 GMT)
The US Air Force said Wednesday that "cavitation" in a liquid oxygen feed line was the root cause for the premature shutdown of the main...

ISS gyro fails
Posted: Wed, Mar 16 7:29 PM ET (0029 GMT)
A faulty circuit breaker caused a gyroscope on the International Space Station to shut down early Wednesday, although NASA officials said the problem will not...

Glitch strikes Mars rover instrument
Posted: Wed, Mar 16 7:26 AM ET (1226 GMT)
Scientists have suspended use of a spectrometer on the Mars Exploration Rover Opportunity to investigate a problem with the instrument, NASA reported late Tuesday. The...

Asian satellite TV venture planned
Posted: Tue, Mar 15 8:36 AM ET (1336 GMT)
A US-based company announced Monday plans to develop a new satellite TV system to serve a wide swath of south and east Asia. ProtoStar,...

Atlas 5 launches Inmarsat satellite
Posted: Fri, Mar 11 10:07 PM ET (0307 GMT)
An Atlas 5 vehicle successfully launched a heavy Inmarsat communications satellite Friday. The Atlas 5 431 lifted off Friday from Complex 41 at Cape Canaveral,...

Griffin to be new NASA administrator
Posted: Fri, Mar 11 5:23 PM ET (2223 GMT)
The White House announced Friday afternoon that it intends to nominate Michael Griffin as the next administrator of NASA. Griffin is currently the head of...