Curiosity fails to detect methane on Mars
Posted: Fri, Sep 20 8:15 AM ET (1215 GMT)
NASA's Curiosity rover has failed to detect methane in the Martian atmosphere, a finding that deals a setback for the prospects of life there....

Antares launches first Cygnus spacecraft to ISS
Posted: Thu, Sep 19 8:02 AM ET (1202 GMT)
An Antares rocket launched the first Cygnus commercial cargo spacecraft on a test flight to the International Space Station on Wednesday. The Orbital Sciences Corporation...

Atlas launches military communications satellite
Posted: Wed, Sep 18 8:27 AM ET (1227 GMT)
An Atlas 5 rocket successfully launched the third in a series of military communications satellites for the US Air Force early Wednesday. The Atlas 5...

Comet collisions can create building blocks for life
Posted: Tue, Sep 17 6:32 AM ET (1032 GMT)
Comets striking the surface of a terrestrial planet can create amino acids, essential building blocks for life, scientists reported this week. In a study published...

Antares, Falcon launches slip
Posted: Sun, Sep 15 12:19 PM ET (1619 GMT)
The first launch of a Cygnus cargo spacecraft on an Antares rocket has been delayed a day because of a technical issue, while the first...

First launch of Japanese small rocket is a success
Posted: Sat, Sep 14 10:25 AM ET (1425 GMT)
A new Japanese small launch vehicle successfully placed a science satellite into orbit on its inaugural launch Saturday. The Epsilon-1 rocket lifted off from...

Voyager enters interstellar space
Posted: Fri, Sep 13 10:15 AM ET (1415 GMT)
NASA's Voyager 1 spacecraft has cross the heliopause and is now in interstellar space, the first spacecraft to do so, project scientists confirmed on...

Rockot returns to flight with Gonets launch
Posted: Thu, Sep 12 9:42 AM ET (1342 GMT)
Russia's Rockot small launch vehicle returned to flight early Thursday with the successful launch of three military communications satellites. The Rockot booster lifted off...

Soyuz returns from ISS
Posted: Wed, Sep 11 9:32 AM ET (1332 GMT)
A Soyuz spacecraft touched down in Kazakhstan Wednesday, returning to Earth three ISS crewmembers after 166 days in space. The Soyuz TMA-08M spacecraft landed...

Contact lost with Deep Impact spacecraft
Posted: Wed, Sep 11 9:15 AM ET (1315 GMT)
A spacecraft launched more than eight years ago to study a comet has lost communications with the Earth. The Deep Impact spacecraft last communicated with...