Aura launch delayed
Posted: Sat, Jul 10 9:45 AM ET (1345 GMT)
Sunday's scheduled launch of NASA's Aura earth sciences spacecraft has been delayed at least 24 hours because of a problem with the booster'...

SS1 X Prize flights planned for late September
Posted: Fri, Jul 9 8:59 AM ET (1259 GMT)
Scaled Composites plans to fly SpaceShipOne on its Ansari X Prize qualification flights in late September, the pilot of last month's historic flight said...

Report: shuttle rescue plan carries high risk of failure
Posted: Fri, Jul 9 8:44 AM ET (1244 GMT)
A NASA plan to have a damaged space shuttle dock for an extended period at the International Space Station carries a high risk of the...

Cassini reveals compositional differences in Saturn's rings
Posted: Thu, Jul 8 7:56 AM ET (1156 GMT)
Spectroscopic data from NASA's Cassini spacecraft has shown that the composition of Saturn's extensive ring system is not uniform but varies from region...

SpaceShipOne problems corrected
Posted: Wed, Jul 7 7:43 PM ET (2343 GMT)
Two major problems experienced during last month's suborbital space flight of Scaled Composites' SpaceShipOne vehicle have been corrected, Wired News reported Wednesday. In an...

Sea Launch anomaly investigation continues
Posted: Wed, Jul 7 7:31 PM ET (2331 GMT)
Engineers are continuing to investigate a problem with the upper stage of a Sea Launch Zenit 3SL booster that placed its payload into a lower-...

Veteran cosmonaut dies
Posted: Tue, Jul 6 10:30 AM ET (1430 GMT)
Andriyan Nikolayev, the third Russian in space and veteran of two space flights, passed away Saturday at the age of 74. Nikolayev suffered a heart...

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...