STS-121 crew say they're ready for mission
Posted: Fri, Jun 9 8:10 AM ET (1210 GMT)
The crew of the next shuttle mission said Thursday that they're ready to fly and confident that the risks of the mission are acceptable....

Sirius to buy GEO satellite from Loral
Posted: Thu, Jun 8 1:56 PM ET (1756 GMT)
Sirius Satellite Radio announced Thursday that it was buying a new satellite from Space Systems/Loral (SS/L), a spacecraft that the company may use...

External tank cleared for shuttle launch
Posted: Thu, Jun 8 7:42 AM ET (1142 GMT)
Shuttle managers officially declared the space shuttle's external tank ready for launch after a final evaluation of test data about changes to its design....

Newborn solar system full of carbon
Posted: Thu, Jun 8 7:35 AM ET (1135 GMT)
Studies of a solar system forming around a nearby star have turned up a surprising abundance of carbon gas, a discovery that could rewrite models...

Astrium wins Arabsat launch contract
Posted: Wed, Jun 7 7:47 AM ET (1147 GMT)
EADS Astrium has won a contract to build a communications satellite for regional satellite operator Arabsat, the satellite manufacturer announced Tuesday. EADS Astrium will build...

NASA makes exploration program work assignments
Posted: Tue, Jun 6 8:34 AM ET (1234 GMT)
NASA announced Monday work assignments for the development of the key components of the Constellation Program, portioning out key projects of the exploration initiative to...

Russia planning robotic lunar mission
Posted: Tue, Jun 6 8:20 AM ET (1220 GMT)
The Russian space agency Roskosmos is beginning work on an ambitious lunar mission featuring penetrator probes and a soft lander, Aviation Week magazine reported Monday....

Atlas 5 to launch Mars Science Laboratory
Posted: Mon, Jun 5 1:54 PM ET (1754 GMT)
NASA announced Friday that it has selected an Atlas 5 to launch its Mars Science Laboratory (MSL) rover in 2009. The $194.7-million contract...

Hot spot caused Enceladus to roll over
Posted: Mon, Jun 5 1:47 PM ET (1747 GMT)
A hot spot within Saturn's moon Enceladus may have caused the moon to "roll over" and put the hot spot at its south pole,...

ISS crew completes spacewalk
Posted: Fri, Jun 2 8:55 AM ET (1255 GMT)
The two-man crew of the International Space Station completed an over six-hour EVA Thursday evening outside the station, performing repairs and replacing experiments....