Study: lunar interior dry
Posted: Fri, Aug 6 8:32 AM ET (1232 GMT)
A new study finds that, in contrast to earlier work, the interior of the Moon is effectively dry. A team at the University of New...

ISS repair spacewalk delayed to Saturday
Posted: Fri, Aug 6 8:18 AM ET (1218 GMT)
NASA announced Thursday that the first of two spacewalks to repair a faulty coolant pump on the International Space Station has been postponed from Friday...

Ariane launches two satellites
Posted: Thu, Aug 5 6:00 AM ET (1000 GMT)
An Ariane 5 rocket successfully placed into orbit two communications satellites for operators in Africa and the Middle East. The Ariane 5ECA lifted off at...

Instruments selected for NASA/ESA Mars mission
Posted: Thu, Aug 5 5:49 AM ET (0949 GMT)
NASA and ESA announced this week the instruments that the space agencies will fly on their first joint mission to Mars. The two space agencies...

NASA plans two spacewalks to fix ISS cooling system
Posted: Tue, Aug 3 9:46 AM ET (1346 GMT)
NASA is proceeding with plans to perform two spacewalks starting late this week to repair a cooling system that malfunctioned over the weekend. ISS astronauts...

Powerful solar storm could trigger aurorae
Posted: Tue, Aug 3 9:38 AM ET (1338 GMT)
A powerful solar storm spotted on Sunday could create auroral displays on Earth later this week, scientists said Monday. One or possibly two coronal mass...

ISS cooling system malfunctions
Posted: Sun, Aug 1 10:55 AM ET (1455 GMT)
ISS crew members and engineers on the ground are troubleshooting a problem with the station's cooling system that could require a spacewalk to repair....

China launches navigation satellite
Posted: Sun, Aug 1 10:38 AM ET (1438 GMT)
A Long March rocket launched the latest in a series of Chinese navigation satellites on Sunday. The Long March 3A rocket lifted off from the...

Mars rover may not revive
Posted: Sat, Jul 31 9:53 AM ET (1353 GMT)
The Mars Exploration Rover Spirit, in a "hibernation" mode since late March, may not recover, NASA warned on Friday. Spirit entered a power-conservation mode...

NASA authorization bill put on hold
Posted: Sat, Jul 31 9:30 AM ET (1330 GMT)
The House deferred plans to vote on a NASA authorization bill before going on August recess because of concerns by some members about the bill'...