Ulysses mission coming to an end
Posted: Sat, Feb 23 10:45 AM ET (1545 GMT)
An ESA/NASA mission to study the Sun is approaching its end as the spacecraft is no longer able to keep itself warm. Ulysses, a...

Teams announced for Google Lunar X Prize
Posted: Fri, Feb 22 8:28 AM ET (1328 GMT)
The X Prize Foundation announced on Thursday the first ten teams that will compete for the $30-million Google Lunar X Prize. Nine of the...

Navy missile intercepts decaying satellite
Posted: Thu, Feb 21 7:52 AM ET (1252 GMT)
A missile launched from a US Navy ship in the Pacific late Wednesday hit a defunct satellite in a decaying orbit, although officials said it...

Atlantis lands in Florida
Posted: Wed, Feb 20 2:07 PM ET (1907 GMT)
The space shuttle Atlantis completed the STS-122 mission on Wednesday with a successful landing at the Kennedy Space Center in Florida. Atlantis touched down...

Orbital wins COTS award
Posted: Wed, Feb 20 7:48 AM ET (1248 GMT)
NASA announced Tuesday that it has awarded Orbital Sciences Corporation a $170-million agreement to support the development of a commercial cargo spacecraft to service...

Report: satellite intercept planned for this week
Posted: Tue, Feb 19 7:14 AM ET (1214 GMT)
An attempt by the US Navy to intercept a dead spy satellite with a missile could take place as soon as late Wednesday, according to...

Endeavour rolled out to the launch pad
Posted: Mon, Feb 18 7:24 PM ET (0024 GMT)
As the space shuttle Atlantis was undocking from the International Space Station to return to Earth, the shuttle Endeavour was rolling out to the launch...

Atlantis undocks from ISS
Posted: Mon, Feb 18 9:56 AM ET (1456 GMT)
The space shuttle Atlantis undocked from the International Space Station on Monday morning in advance of its return to Earth on Wednesday. The shuttle separated...

Astronauts unconcerned with satellite intercept plans
Posted: Sun, Feb 17 7:03 AM ET (1203 GMT)
Astronauts on board the International Space Station and space shuttle Atlantis said Saturday they are not concerned with US military plans to hit a failed...

Early Mars too salty for most life
Posted: Sun, Feb 17 6:53 AM ET (1153 GMT)
While liquid water may have existed on the Martian surface early in the planet's history, that water was too salty to support most known...