Proton launches Inmarsat satellite
Posted: Mon, Feb 2 6:37 AM ET (1137 GMT)
A Proton rocket successfully launched the second in a new series of communications satellites for Inmarsat on Sunday. The Proton M rocket lifted off from...

H-2A launches Japanese reconnaissance satellite
Posted: Sun, Feb 1 9:09 AM ET (1409 GMT)
A Japanese H-2A rocket launched a spare reconnaissance satellite Sunday. The H-2A lifted off from the Tanegashima Space Center at 8:21 pm...

Delta 2 launches SMAP
Posted: Sat, Jan 31 1:03 PM ET (1803 GMT)
A Delta 2 rocket successfully placed a NASA Earth sciences satellite into orbit Saturday morning. The Delta 2 7320 lifted off from Vandenberg Air Force...

Revised analysis rules out detection of gravitational waves
Posted: Sat, Jan 31 9:09 AM ET (1409 GMT)
A joint analysis of data from a groundbased telescope and a European spacecraft has ruled out the detection of primordial gravitational waves that a team...

Delta 2 SMAP launch postponed to Saturday
Posted: Fri, Jan 30 7:19 AM ET (1219 GMT)
After a one-day delay due to weather, NASA and United Launch Alliance have delayed the Delta 2 launch of an Earth sciences satellite an...

Air Forces cancels competition for EELV-class launch
Posted: Fri, Jan 30 7:10 AM ET (1210 GMT)
The US Air Force canceled a competition between SpaceX and United Launch Alliance for the launch of a classified satellite this week, awarding the launch...

Winds postpone Delta 2 launch a day
Posted: Thu, Jan 29 9:37 PM ET (0237 GMT)
High upper level winds forced launch controllers to postpone the launch of a NASA Earth sciences satellite by a day. The Delta 2 7320 was...

Weather delays launch of Japanese reconnaissance satellite
Posted: Thu, Jan 29 8:01 AM ET (1301 GMT)
Poor weather pushed back Thursday's scheduled launch of a Japanese reconnaissance satellite until at least Sunday. An H-2A was scheduled to launch from...

ATK and Orbital shareholders approve merger
Posted: Wed, Jan 28 7:41 AM ET (1241 GMT)
Shareholders of ATK and Orbital Sciences Corporation voted Tuesday to approve a merger of the two companies, which will allow the merger to close early...

Astronomers discover ancient solar system
Posted: Wed, Jan 28 7:36 AM ET (1236 GMT)
Astronomers announced Tuesday the discovery of a solar system with five planets estimated to be 11 billion years old, the oldest solar system yet found....