Eris and Pluto similar in size
Posted: Fri, Oct 28 8:12 AM ET (1212 GMT)
Astronomers have found that the dwarf planet Eris is nearly identical in size to Pluto, making it smaller than expected and likely different in makeup...

ROSAT reentered over Bay of Bengal
Posted: Wed, Oct 26 6:15 AM ET (1015 GMT)
A German astronomy satellite whose decaying orbit was a cause of concern reentered Saturday night over the Bay of Bengal, far away from inhabited landmasses,...

Astronomers resolve mystery of ancient supernova
Posted: Tue, Oct 25 7:24 AM ET (1124 GMT)
Astronomers announced Monday they now understand why a supernova witnessed nearly two millennia ago expanded faster than expected. The supernova, designated RCW 86, was witnessed...

ROSAT reentry expected this weekend
Posted: Sat, Oct 22 3:52 PM ET (1952 GMT)
A German astronomy satellite is on track to reenter the Earth's atmosphere some time this weekend, with over a ton of debris expected to...

Soyuz lifts off from Kourou for first time
Posted: Fri, Oct 21 6:25 PM ET (2225 GMT)
A Soyuz rocket, launching from Europe's spaceport in French Guiana for the first time, placed two Galileo navigation satellites into orbit on Friday. The...

First Taurus 2 launch postponed to 2012
Posted: Fri, Oct 21 8:44 AM ET (1244 GMT)
The inaugural launch of Orbital Sciences Corporation's Taurus 2 rocket has been pushed back to early 2012 due to construction delays at its Virginia...

Proton launches ViaSat-1
Posted: Thu, Oct 20 8:45 AM ET (1245 GMT)
A Proton rocket successfully launched Thursday a broadband communications satellite for a US company. The Proton Breeze M lifted off from the Baikonur Cosmodrome at...

Soyuz launch from Kourou scrubbed
Posted: Thu, Oct 20 8:32 AM ET (1232 GMT)
A problem discovered during fueling postponed early Thursday the launch of the first Soyuz rocket from Kourou, French Guiana, for at least 24 hours. Engineers...

Virgin Galactic dedicates spaceport terminal building
Posted: Tue, Oct 18 9:07 AM ET (1307 GMT)
Space tourism company Virgin Galactic formally dedicated the terminal building that will host its suborbital spaceflights in New Mexico in a ceremony on Monday. The...

ESA seeks Russian cooperation on Mars mission
Posted: Mon, Oct 17 7:32 AM ET (1132 GMT)
Unable to get a commitment from NASA, the European Space Agency (ESA) is in discussions with Russia to launch a Mars orbiter later this decade....