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,...

Curiosity begins trip to Glenelg
Posted: Thu, Aug 30 12:26 AM ET (0426 GMT)
NASA's Mars rover Curiosity has begin its first long-distance trip, a 400-meter traverse to a location called Glenelg. The rover moved 16...

Neil Armstrong, first man to walk on the Moon, passes away
Posted: Sat, Aug 25 4:41 PM ET (2041 GMT)
Neil Armstrong, the former NASA astronaut who became the first person to walk on the surface of the Moon in 1969, passed away Saturday at...

Weather delays Atlas launch to next week
Posted: Sat, Aug 25 10:04 AM ET (1404 GMT)
Poor weather prevented Saturday's planned launch of a pair of NASA space science satellites, and the threat of a tropical storm will keep the...

Curiosity completes first drive on Martian surface
Posted: Sat, Aug 25 9:48 AM ET (1348 GMT)
NASA's Mars rover Curiosity performed its first, brief drive across the Martian surface on Wednesday in the latest step to demonstrate the spacecraft's...