New data confirms Kuiper Belt object is largest minor planet
Posted: Fri, Aug 24 11:28 AM ET (1528 GMT)
European astronomers sifting through a data archive have confirmed that a Kuiper Belt object discovered earlier this year is the largest minor planet in the...

Galileo images reveal "eroded" terrain on Callisto
Posted: Thu, Aug 23 12:35 PM ET (1635 GMT)
New images from NASA's Galileo spacecraft released Wednesday show evidence of hills on the moon Callisto that appear to be slowly eroding away. The...

Progress docks with space station
Posted: Thu, Aug 23 12:21 PM ET (1621 GMT)
An unmanned Progress spacecraft docked with the International Space Station early Thursday, carrying supplies to the orbiting outpost. The spacecraft, variously designated as Progress 5...

Planetary Society to move ahead with solar sail mission
Posted: Wed, Aug 22 6:52 PM ET (2252 GMT)
The Planetary Society announced Wednesday that it plans to go ahead with an orbital test flight of a solar sail early next year despite the...

Shuttle Discovery lands in Florida
Updated: Wed, Aug 22 3:36 PM ET (1936 GMT)
Originally Posted: Wed, Aug 22 12:38 PM ET (1638 GMT)
The space shuttle Discovery safely landed in Florida Wednesday afternoon, one orbit later than planned. The shuttle touched down on Runway 15 at the Kennedy...

H-2A launch delayed several days
Posted: Wed, Aug 22 10:44 AM ET (1444 GMT)
The inaugural launch of Japan's H-2A booster has been delayed at least three days to replace a faulty valve. Technicians discovered a problem...

Astronomer Fred Hoyle passes away
Posted: Wed, Aug 22 10:37 AM ET (1437 GMT)
Famous — and infamous — British astronomer Sir Fred Hoyle has died at the age of 86. Hoyle is best known for popularizing the term "...

Progress launched to ISS
Posted: Tue, Aug 21 11:52 AM ET (1552 GMT)
A Soyuz rocket successfully launched early Tuesday a Progress cargo spacecraft carrying supplies for the International Space Station. The Soyuz lifted off from Baikonur, Kazakhstan...

NASA turns off malfunctioning Mars Odyssey instrument
Posted: Tue, Aug 21 11:39 AM ET (1539 GMT)
Problems with a radiation detector on NASA's 2001 Mars Odyssey spacecraft have caused project officials to turn off the instrument at least temporarily, JPL...

Shuttle undocks from station
Posted: Mon, Aug 20 5:05 PM ET (2105 GMT)
The space shuttle Discovery undocked from the International Space Station Monday morning, preparing to return to Earth with the station's old crew. Discovery undocked...