Wildfire threatens Arizona observatory
Posted: Mon, Jul 5 5:50 PM ET (2150 GMT)
A wildfire on a mountain in eastern Arizona is approaching an astronomical observatory, but firefighters said Monday the blaze doesn't pose an immediate risk...

Titan images surprise scientists
Posted: Sun, Jul 4 11:02 AM ET (1502 GMT)
The first detailed images of Saturn's moon Titan returned by NASA's Cassini spacecraft have changed scientists’ opinions about the features found on the...

Cassini ring images delight scientists
Posted: Fri, Jul 2 10:21 AM ET (1421 GMT)
Images of Saturn's rings taken by the Cassini spacecraft as it entered orbit around the planet this week are pleasing and surprising scientists with...

NASA Marshall restructures
Posted: Fri, Jul 2 10:08 AM ET (1408 GMT)
Following on the heels of a restructuring of NASA Headquarters, NASA's Marshall Space Flight Center (MSFC) announced this week its own reorganization. The realignment...

Cassini arrives at Saturn
Posted: Thu, Jul 1 10:56 AM ET (1456 GMT)
The Cassini spacecraft entered orbit around Saturn late Wednesday night, ending a nearly seven-year journey from Earth. Spacecraft controllers received data from the spacecraft...

ISS spacewalk a success
Posted: Thu, Jul 1 10:47 AM ET (1447 GMT)
The two crewmembers on the International Space Station successfully completed a spacewalk outside the station Wednesday evening, repairing a faulty gyro. Gennady Padalka and Michael...

Dnepr launches satellites
Posted: Tue, Jun 29 8:51 AM ET (1251 GMT)
A Russian Dnepr booster successfully launched a cluster of small satellites for several countries early Tuesday. The Dnepr, a converted SS-18 ICBM, lifted off...

Zenit upper stage failure places satellite in lower orbit
Posted: Tue, Jun 29 8:39 AM ET (1239 GMT)
A Zenit 3SL booster launched a commercial communications satellite for the international Sea Launch venture Monday night, but an upper stage problem placed the satellite...

Mars Express radar deployment delayed again
Posted: Mon, Jun 28 9:03 PM ET (0103 GMT)
ESA officials announced last week that the deployment of a radar boom on its Mars Express spacecraft would be further delayed while engineers study issues...

ISS spacewalk rescheduled for Wednesday night
Posted: Mon, Jun 28 2:19 PM ET (1819 GMT)
International Space Station managers have rescheduled for Wednesday night a spacewalk that was aborted last week just minutes after it began. The EVA by Gennady...