Astronauts complete spacewalk
Posted: Fri, Aug 17 11:06 AM ET (1506 GMT)
Two astronauts conducted a six-hour spacewalk outside the International Space Station Thursday, installing equipment and experiments to the exterior of the orbiting facility. Astronauts...

New study supports collision model of lunar formation
Posted: Fri, Aug 17 10:54 AM ET (1454 GMT)
A paper published this week lends new credence to the proposal that a giant impact early in the history of the solar system formed the...

Astronomers discover Sun-like solar system
Posted: Thu, Aug 16 11:26 AM ET (1526 GMT)
Astronomers have discovered a solar system that is the most similar to our own found to date. Astronomers announced Wednesday the discovery of a second...

FUSE finds evidence of swarm of comets around young star
Posted: Thu, Aug 16 11:02 AM ET (1502 GMT)
A nearby young star may be surrounded by millions of comets, astronomers announced this week. In a paper published in Thursday's issue of the...

Russian commercialization deal could be setback for Enterprise
Posted: Wed, Aug 15 11:12 AM ET (1512 GMT)
An agreement by the Russian space agency Rosaviakosmos to commercialize the Russian segment of the International Space Station could be a setback for one joint...

"Marsplane" glider completes successful test flight
Posted: Wed, Aug 15 10:59 AM ET (1459 GMT)
A glider that is a prototype of a future Mars aircraft made a successful test flight last week in Oregon, NASA officials announced this week....

ISS crew transfer completed
Posted: Mon, Aug 13 8:56 PM ET (0056 GMT)
The old and new International Space Station crews swapped placed Monday while shuttle astronauts attached a cargo module to the station. The Expedition Three crew...

Genesis on course, performing well
Posted: Mon, Aug 13 8:36 PM ET (0036 GMT)
NASA's Genesis spacecraft is working well and is on course after performing a short maneuver Friday, project officials said. Genesis, launched Wednesday afternoon from...

Discovery docks with ISS
Posted: Sun, Aug 12 7:07 PM ET (2307 GMT)
The space shuttle Discovery docked with the International Space Station on schedule Sunday afternoon. Discovery docked with the station at 2:42 pm EDT (1842...

Discovery lifts off
Posted: Fri, Aug 10 7:24 PM ET (2324 GMT)
The space shuttle Discovery lifted off Friday afternoon on mission STS-105, leaving five minutes early to avoid approaching thunderstorms. Discovery lifted off at 5:...