Martian clays may not be evidence of water
Posted: Wed, Sep 12 8:03 AM ET (1203 GMT)
Clay minerals identified on Mars could be formed by processes that don't require the presence of flowing liquid water, scientists reported this week. The...

Masten vehicle lost in test flight
Posted: Wed, Sep 12 7:51 AM ET (1151 GMT)
A test vehicle built by commercial suborbital vehicle developer Masten Space Systems crashed Tuesday during a test flight in California. The Xaero vehicle took off...

India launches remote sensing satellite
Posted: Tue, Sep 11 8:31 AM ET (1231 GMT)
An Indian rocket placed a commercial remote sensing satellite into orbit on Sunday. The Polar Satellite Launch Vehicle (PSLV) lifted off from India's Satish...

Curiosity testing out robotic arm
Posted: Sat, Sep 8 10:01 AM ET (1401 GMT)
NASA's Curiosity Mars rover, having already driven more than 100 meters from its landing site, is stopping for several days to check out its...

Dawn departs Vesta
Posted: Thu, Sep 6 6:30 AM ET (1030 GMT)
NASA's Dawn spacecraft has left orbit around the large asteroid Vesta and is now heading to the dwarf planet Ceres, the space agency announced...

ISS power unit installed
Posted: Thu, Sep 6 6:20 AM ET (1020 GMT)
Spacewalking astronauts successfully installed a power switching unit on the exterior of the International Space Station during a spacewalk Wednesday, less than a week after...

Propulsion issue delays Juno maneuver
Posted: Wed, Sep 5 5:42 AM ET (0942 GMT)
NASA has delayed a trajectory correction maneuver by its Jupiter-bound Juno spacecraft for ten days in order to investigate an issue with the spacecraft'...

Additional ISS spacewalk planned for Wednesday
Posted: Tue, Sep 4 5:28 AM ET (0928 GMT)
NASA has scheduled an additional spacewalk outside the International Space Station for this Wednesday to complete work originally planned for a spacewalk there last week....

Stuck bolts may require additional ISS spacewalk
Posted: Sat, Sep 1 8:05 AM ET (1205 GMT)
Stuck bolts for a new part of the International Space Station's power system prevented spacewalking astronauts from completing their planned tasks Thursday and may...

Atlas launches space science mission
Updated: Sat, Sep 1 7:56 AM ET (1156 GMT)
Originally Posted: Sat, Sep 1 7:44 AM ET (1144 GMT)
An Atlas 5 rocket successfully launched a pair of NASA space science satellites on Thursday. The Atlas 5 401 lifted off from Cape Canaveral, Florida,...