Weather delays Atlas launch to next week
Posted: Sat, Aug 25 11:04 AM ET (1504 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 10:48 AM ET (1448 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...

Atlas launch of space science probes scrubbed
Posted: Fri, Aug 24 8:24 AM ET (1224 GMT)
A problem with a tracking beacon scrubbed Friday morning's scheduled launch of an Atlas 5 rocket carrying a pair of NASA space science spacecraft....

NASA selects Mars lander for next Discovery mission
Posted: Wed, Aug 22 2:10 PM ET (1810 GMT)
NASA announced Monday that it has selected a Mars lander designed to carry out geophysical research as the next mission in its Discovery program of...

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...