ISS repair spacewalk falls short of goals
Posted: Sun, Aug 8 8:23 AM ET (1223 GMT)
Spacewalking astronauts Saturday were unable to replace a faulty coolant pump on the International Space Station, forcing controllers to plan an additional spacewalk to complete...

Boeing wins three-satellite order from Inmarsat
Posted: Sat, Aug 7 9:51 AM ET (1351 GMT)
Inmarsat announced Friday that it is ordering three satellites from Boeing as part of a new initiative to provide a global satellite broadband system. Inmarsat...

Senate approves NASA authorization bill
Posted: Fri, Aug 6 8:38 AM ET (1238 GMT)
The full Senate approved a NASA authorization bill late Thursday that would alter some aspects of the White House's plans for NASA. The Senate...

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....