Cosmonauts perform ISS spacewalk
Posted: Wed, Aug 22 1:57 PM ET (1757 GMT)
Two Russian cosmonauts spent nearly six hours outside the International Space Station on Monday, performing work on the station and also deploying a small satellite....

Curiosity tests laser on nearby rock
Posted: Mon, Aug 20 10:58 AM ET (1458 GMT)
NASA's Curiosity Mars rover continued its post-landing commissioning work over the weekend by firing its laser for the first time at a nearby...

Zenit launches Intelsat satellite
Posted: Sun, Aug 19 12:11 PM ET (1611 GMT)
A Sea Launch Zenit-3SL successfully placed an Intelsat communications satellite into orbit early Sunday. The Zenit-3SL rocket lifted off from its floating launch...

ATV reboost of ISS cut short
Posted: Fri, Aug 17 12:03 PM ET (1603 GMT)
A reboost of the International Space Station's orbit by Europe's Automated Transfer Vehicle (ATV) ended earlier than planned Wednesday. Thrusters on the ATV-...

Galaxy cluster produces stars at record-setting rate
Posted: Thu, Aug 16 9:39 AM ET (1339 GMT)
A galaxy cluster over five billion light-years from Earth is producing new stars a rate never before seen, a finding that may validate models...

Software upgrade complete, Curiosity ready to move
Posted: Thu, Aug 16 9:14 AM ET (1314 GMT)
NASA's Mars rover Curiosity is ready to start moving across the Martian surface after completing a software upgrade earlier this week. The rover has...

Dawn glitch delays departure from Vesta
Posted: Wed, Aug 15 9:17 AM ET (1317 GMT)
A problem with a reaction wheel on NASA's Dawn spacecraft will slightly delay the spacecraft's departure from the vicinity of the asteroid Vesta...

Curiosity getting software upgrade
Posted: Mon, Aug 13 8:27 AM ET (1227 GMT)
NASA's Mars rover Curiosity is in the middle of a software upgrade that project officials say will prepare the rover for scientific activities on...

Curiosity rover working well on Mars
Posted: Fri, Aug 10 6:48 AM ET (1048 GMT)
NASA's Curiosity Mars rover is meeting or exceeding the expectations of scientists and engineers involved with the project several days after landing, returning stunning...

Lander prototype crashes in KSC test
Posted: Fri, Aug 10 6:32 AM ET (1032 GMT)
A NASA vehicle designed to test lander technologies for future exploration missions crashed during its first free-flight test Thursday at the Kennedy Space Center....