Delta 2 launches NASA satellites
Posted: Sun, Jan 12 11:55 PM ET (0455 GMT)
A Boeing Delta 2 successfully launched two NASA science satellites Sunday evening from Vandenberg Air Force Base, California. The Delta 2 7320 lifted off at...

Star ejected from binary system
Posted: Sun, Jan 12 7:17 PM ET (0017 GMT)
A binary star system ejected a third star that had been orbiting the pair, the first time such an ejection has been observed, astronomers reported...

Ground equipment problem delays Delta launch
Posted: Sun, Jan 12 10:58 AM ET (1558 GMT)
A glitch with ground equipment scrubbed Saturday night's scheduled launch of a Delta 2 carrying two science spacecraft. The launch was scheduled to take...

ESA, Russia close to Soyuz deal
Posted: Sat, Jan 11 1:16 PM ET (1816 GMT)
The European Space Agency and Rosaviakosmos are close to an agreement that would permit Soyuz launches from Kourou, French Guiana, AFP reported Friday. The agreement,...

Scientists measure speed of gravity
Posted: Sat, Jan 11 11:15 AM ET (1615 GMT)
The first effort to measure the speed of gravity has led astronomers to conclude that gravity operates at the speed of light, as predicted by...

NASA confident Columbia will be ready for launch
Posted: Fri, Jan 10 7:40 AM ET (1240 GMT)
Shuttle managers said Thursday that they believe the space shuttle Columbia will be cleared for launch next week even though an issue with cracked bearings...

New images offer views of early universe
Posted: Fri, Jan 10 7:29 AM ET (1229 GMT)
Astronomers released this week new images that offer the best glimpses yet of conditions in the early universe. In one study, astronomers used images from...

New model explains lunar magnetism
Posted: Thu, Jan 9 8:37 AM ET (1337 GMT)
A "burp" of hot rock nearly four billion years ago may explain why the Moon once had a weak magnetic field. In a paper published...

Satellite radio companies announce subscribers, new features
Posted: Thu, Jan 9 7:25 AM ET (1225 GMT)
The two leading satellite radio companies announced updated subscriber numbers and new features on Wednesday. XM Satellite Radio, the largest satellite radio company in the...

DirecTV subsidiary considers bankruptcy
Posted: Thu, Jan 9 7:14 AM ET (1214 GMT)
The Latin American subsidiary of satellite TV broadcaster DirecTV said Wednesday that it may restructure or even file for bankruptcy protection. DirecTV Latin America officials...