Astronomers weigh extrasolar planet
Posted: Tue, Dec 3 6:26 PM ET (2326 GMT)
Astronomers announced Tuesday that they have used data from the Hubble Space Telescope to pin down the mass of an extrasolar planet. The astronomers, led...

Shuttle undocks from ISS, deploys satellite
Posted: Mon, Dec 2 11:06 PM ET (0406 GMT)
The space shuttle Endeavour undocked from the International Space Station Monday afternoon as the STS-113 mission winds down. The shuttle undocked from ISS at...

Study shows gas giants form rapidly
Posted: Mon, Dec 2 8:38 AM ET (1338 GMT)
Gas giant planets like Jupiter may form in just hundreds of years, not the millions of years previously thought, scientists reported last week. In a...

Final STS-113 spacewalk a success despite transporter glitch
Posted: Sun, Dec 1 2:43 PM ET (1943 GMT)
Astronauts were able to complete the third and final spacewalk outside the International Space Station on Saturday despite a problem with a mobile transporter that...

EchoStar files revised DirecTV merger plan
Posted: Sat, Nov 30 3:34 PM ET (2034 GMT)
Direct television broadcasting operator EchoStar has filed with the FCC a revised offer to merge with competitor DirecTV that the companies hope will overcome the...

Expedition Six officially takes over ISS
Posted: Sat, Nov 30 3:25 PM ET (2025 GMT)
The three-man Expedition Six crew formally took over control of the International Space Station in a ceremony Friday afternoon. During a change-of-command...

Ariane 5 launch aborted in final seconds
Posted: Fri, Nov 29 10:34 AM ET (1534 GMT)
The inaugural launch of an upgraded version of the Ariane 5 launch vehicle was aborted just seconds before liftoff Thursday. The Ariane 5 ESC-A...

Astronauts complete second STS-113 spacewalk
Posted: Fri, Nov 29 10:19 AM ET (1519 GMT)
Two astronauts successfully completed the second of three spacewalks scheduled for the STS-113 shuttle mission on Thursday. John Herrington and Michael Lopez-Alegria spent...

Astra 1K orbit raised
Posted: Thu, Nov 28 1:21 PM ET (1821 GMT)
Spacecraft controllers have raised the orbit of Astra 1K, the communications satellite stranded in LEO after a Proton upper stage failure Tuesday, in an effort...

Kosmos launches two satellites
Posted: Thu, Nov 28 12:41 PM ET (1741 GMT)
A Kosmos booster launched two small satellites into low Earth orbit early Thursday. The Kosmos-3M lifted off from the Plesetsk Cosmodrome in northern Russia...