Gravity Probe B launch delayed
Posted: Mon, Apr 19 7:59 PM ET (2359 GMT)
The launch of NASA's Gravity Probe B spacecraft has been delayed 24 hours because of a last-minute glitch loading data into its Delta...

ILS wins three launch contracts
Posted: Mon, Apr 19 7:52 PM ET (2352 GMT)
SES Global awarded International Launch Services (ILS) three contracts on Monday for launches of communication satellites on Atlas and Proton rockets. ILS will launch the...

Soyuz launches next ISS crew
Posted: Mon, Apr 19 10:28 AM ET (1428 GMT)
A Russian Soyuz spacecraft carrying the next long-duration crew for the International Space Station lifted off early Monday. The Soyuz booster lifted off at...

China launches two smallsats
Posted: Mon, Apr 19 10:18 AM ET (1418 GMT)
A Chinese rocket launched two small technology demonstration satellites late Sunday. The Long March 2C booster lifted off from the Xichang launch center in southwestern...

Stellar collisions may create middleweight black holes
Posted: Sun, Apr 18 7:34 PM ET (2334 GMT)
The collision of massive star may be the mechanism for creating "middleweight" black holes, which themselves may be the stepping stone towards creating even larger...

Universe may be shaped like a funnel
Posted: Sun, Apr 18 7:19 PM ET (2319 GMT)
Astronomers said last week that they could explain recent observations of the early universe if the universe if shaped like a horn or funnel. The...

Rover finds rock similar to meteorite
Posted: Sat, Apr 17 1:13 PM ET (1713 GMT)
The Mars rover Opportunity has discovered a rock on the Martian surface that appears similar in composition to a class of meteorites found on Earth...

Lockheed, Northrop win space radar contracts
Posted: Sat, Apr 17 12:51 PM ET (1651 GMT)
The US Air Force awarded Lockheed Martin and Northrop Grumman contracts on Friday to develop concepts for a space-based radar system. Each company won...

Astronomers discover distant exoplanet
Posted: Sat, Apr 17 12:54 AM ET (0454 GMT)
Astronomers announced this week that they have used a new technique to discover an extrasolar planet much farther from Earth than any other known exoplanet....

Atlas 2 launches Japanese communications satellite
Posted: Fri, Apr 16 10:26 AM ET (1426 GMT)
An Atlas 2AS successfully launched a Japanese communications satellite Thursday night. The Atlas 2AA lifted off from pad 36A at Cape Canaveral, Florida, at 8:...