SpaceX postpones ORBCOMM launch
Posted: Sat, May 10 8:44 AM ET (1244 GMT)
SpaceX has postponed a launch that had been scheduled for Saturday of six small commercial communications satellites because of an unspecified launch vehicle issue. The...

House committee approves $17.9 billion budget for NASA
Posted: Sat, May 10 8:34 AM ET (1234 GMT)
The House Appropriations Committee approved a spending bill Thursday that would give NASA $17.9 billion in fiscal year 2015, more than $400 million above...

Judge lifts injunction on RD-180 purchases
Posted: Fri, May 9 7:21 AM ET (1121 GMT)
A federal court judge removed on Thursday an injunction filed last week that prevented the federal government or United Launch Alliance from making payments to...

British planetary scientist Colin Pillinger dies
Posted: Fri, May 9 7:11 AM ET (1111 GMT)
Colin Pillinger, a planetary scientist who led an ill-fated British Mars lander mission more than a decade ago, died this week at age 70....

Astronomers create "realistic" simulation of universe on a supercomputer
Posted: Thu, May 8 6:09 AM ET (1009 GMT)
Astronomers announced this week that they have created, for the first time, a realistic model of the formation of the universe on a supercomputer. The...

Curiosity drills into Martian surface
Posted: Wed, May 7 6:54 AM ET (1054 GMT)
NASA's Curiosity Mars rover has drilled into a slab of sandstone on the Martian surface, the third time the spacecraft has used its drill...

Russia launches military satellite
Posted: Tue, May 6 7:58 PM ET (2358 GMT)
A Soyuz rocket placed into orbit Tuesday what is thought to be one of the last in a older series of military reconnaissance satellites. The...

Ganymede may have layers of water and ice below its surface
Posted: Tue, May 6 10:05 AM ET (1405 GMT)
A new model of the interior of the solar system's largest moon suggests its interior may be composed of multiple layers of ice and...

Astronomers determine rotation rate of exoplanet for first time
Posted: Sat, May 3 10:19 AM ET (1419 GMT)
Astronomers announced this week that they have measured for the fist time how fast an extrasolar planet is spinning. European astronomers measured the Doppler effect...

Court injunction blocks purchases of RD-180 engines
Posted: Thu, May 1 9:07 AM ET (1307 GMT)
A federal court judge issued a preliminary injunction late Wednesday blocking the US Air Force and United Launch Alliance (ULA) from purchasing RD-180 rocket...