NASA postpones decision on asteroid mission design
Posted: Thu, Dec 18 7:50 AM ET (1250 GMT)
NASA has pushed back a decision on what option it will choose for its planned Asteroid Redirect Mission (ARM), asking teams at the agency to...

Curiosity detects methane "spikes" in Martian atmosphere
Posted: Wed, Dec 17 8:41 AM ET (1341 GMT)
NASA's Curiosity Mars rover has detected short-lived increases in methane concentrations in the Martian atmosphere, although scientists cautioned this does not mean the...

Proton launches Russian communications satellite
Posted: Tue, Dec 16 7:59 AM ET (1259 GMT)
A Proton rocket successfully launched a Russian communications satellite on Monday, clearing the stage for the resumption of Western commercial satellite launches. The Proton M...

NASA receives $18 billion in 2015 spending bill
Posted: Tue, Dec 16 7:47 AM ET (1247 GMT)
An omnibus spending bill for fiscal year 2015 passed by Congress will provide NASA with $18 billion, more than $500 million above the agency's...

Atlas launches NRO satellite
Posted: Sat, Dec 13 11:01 AM ET (1601 GMT)
An Atlas 5 rocket successfully launched a classified satellite for the National Reconnaissance Office (NRO) Friday evening. The Atlas 5 541 lifted off from Vandenberg...

Rosetta data raises questions about source of Earth's water
Posted: Sat, Dec 13 10:47 AM ET (1547 GMT)
Data obtained by ESA's Rosetta comet mission have raised doubts that comets like the one being studied by the spacecraft are the source of...

Weather delays Atlas launch
Posted: Fri, Dec 12 1:30 PM ET (1830 GMT)
Poor weather delayed a Thursday evening launch of a classified satellite on an Atlas 5 rocket from California. The Atlas 5 541 was scheduled to...

China launches reconnaissance satellites
Posted: Thu, Dec 11 9:34 AM ET (1434 GMT)
China launched Thursday a remote sensing satellite what Western observers believe to be a trio of naval reconnaissance satellites. The Long March 4C rocket lifted...

Orbital selects Atlas 5 for Cygnus cargo launch
Posted: Thu, Dec 11 9:26 AM ET (1426 GMT)
Orbital Sciences Corp. said this week it will use a United Launch Alliance Atlas 5 rocket to launch a Cygnus cargo spacecraft to the International...

Curiosity data shows Gale Crater once a lake
Posted: Wed, Dec 10 9:31 AM ET (1431 GMT)
Data collected by NASA's Curiosity Mars rover has led scientists to conclude that the crater the rover is exploring was once a lake whose...