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...

Hadfield becomes first Canadian commander of ISS
Posted: Thu, Mar 14 6:39 AM ET (1039 GMT)
Canadian astronaut Chris Hadfield took over as commander of the International Space Station on Thursday, becoming the first Canadian to be in charge of the...

Curiosity finds new evidence Mars was once habitable
Posted: Wed, Mar 13 8:08 AM ET (1208 GMT)
Analysis of a rock sample by NASA's Curiosity Mars rover has given scientists new evidence that Mars once had the right conditions to support...