Planck data refine age and composition of universe
Posted: Fri, Mar 22 8:31 AM ET (1231 GMT)
Analysis of observations of the cosmic microwave background by a European spacecraft have led astronomers to conclude the universe is slightly older, and with slightly...

Amazon.com founder recovers Saturn 5 engines from ocean floor
Posted: Fri, Mar 22 8:13 AM ET (1213 GMT)
An expedition sponsored by the founder of Amazon.com has recovered portions of F-1 engines from Saturn 5 rockets launched from Cape Canaveral decades...

Voyager scientists dispute claim spacecraft has left solar system
Posted: Thu, Mar 21 6:28 AM ET (1028 GMT)
The project scientist of NASA's Voyager spacecraft said Wednesday he disagreed with a claim in a newly-published paper that the Voyager 1 spacecraft...

Atlas launches missile warning satellite
Posted: Wed, Mar 20 6:43 AM ET (1043 GMT)
An Atlas 5 rocket successfully launched the second in the latest generation of missile early warning satellites on Tuesday. The Atlas 5 401 lifted off...

Arianespace, Sea Launch announce new contracts
Posted: Tue, Mar 19 6:44 AM ET (1044 GMT)
Arianespace has won a contract to launch three Intelsat spacecraft while Sea Launch has an agreement to launch an EchoStar spacecraft despite a launch failure...

Curiosity suffers another computer glitch
Posted: Tue, Mar 19 6:28 AM ET (1028 GMT)
NASA's Curiosity Mars rover is again in safe mode after another problem with its computers, but should resume normal operations in a few days,...

ISS crew returns to Earth
Posted: Sat, Mar 16 9:06 AM ET (1306 GMT)
Two Russian and one American ISS crewmembers safely landed early Saturday in Kazakhstan. The Soyuz TMA-06M spacecraft landed at the planned landing site northeast...

Europe and Russia sign ExoMars accord
Posted: Fri, Mar 15 2:13 PM ET (1813 GMT)
The European Space Agency and Roscosmos formally signed an agreement Thursday to cooperate on two missions to Mars late this decade. Under the agreement for...

Poor weather postpones Soyuz landing
Posted: Fri, Mar 15 8:03 AM ET (1203 GMT)
The return of three ISS crewmembers on a Soyuz rocket has been delayed by a day because of poor weather at the landing site in...

ALMA radio observatory inaugurated
Posted: Thu, Mar 14 6:59 AM ET (1059 GMT)
European, American, and Chilean officials officially inaugurated a billion-dollar observatory in the Chilean desert on Thursday. The ceremony marked the end of the construction...