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...

SpaceX performs Grasshopper test flight
Posted: Tue, Mar 12 7:48 AM ET (1148 GMT)
SpaceX performed the fourth flights of a reusable launch vehicle technology demonstrator last week, flying the vehicle to a record height. The Grasshopper vehicle flew...

Russian satellite may have collided with Chinese ASAT debris
Posted: Sat, Mar 9 10:43 AM ET (1543 GMT)
A small Russian satellite may have collided in January with debris from a 2007 Chinese antisatellite weapons test, according to an analysis of orbital data...

Salt on Europa's icy surface provides new evidence for water ocean below
Posted: Fri, Mar 8 6:49 AM ET (1149 GMT)
Planetary scientists reported this week the discovery of a mineral salt on the icy surface of Jupiter's moon Europa that provides them with new...

Herschel spacecraft to end mission soon
Posted: Wed, Mar 6 8:31 AM ET (1331 GMT)
A European astronomical spacecraft launched nearly four years ago is expected to end its mission within weeks when it exhausts its supply of coolant, officials...