Countdown begins for STS-122 launch
Posted: Tue, Feb 5 4:57 AM ET (0957 GMT)
NASA started the countdown late Monday for the launch of the space shuttle Atlantis on a long-delayed mission to the ISS, although weather could...

Iran launches rocket, plans satellite launch
Posted: Tue, Feb 5 4:49 AM ET (0949 GMT)
Iran launched a suborbital rocket on Monday to inaugurate a new space center in the country, and announced it was moving ahead with plans to...

NASA presses ahead with Thursday shuttle launch
Posted: Sat, Feb 2 5:06 PM ET (2206 GMT)
NASA shuttle managers have decided to move ahead with plans to launch Atlantis on Thursday after coming up with a fix for a kinked radiator...

Galaxy data used to study dark energy
Posted: Sat, Feb 2 4:59 PM ET (2159 GMT)
Astronomers are using observations of thousands of galaxies to determine if dark energy, a mysterious force thought to be responsive for the acceleration of the...

ULA cuts into Boeing space earnings
Posted: Fri, Feb 1 6:21 AM ET (1121 GMT)
The formation of the United Launch Alliance (ULA) reduced Boeing's space-related revenues and earnings in 2007, the company reported this week. Boeing's...

MESSENGER provides new insights about Mercury
Posted: Thu, Jan 31 2:02 PM ET (1902 GMT)
An initial analysis of images and other data returned by NASA's MESSENGER spacecraft have already reshaped scientists' views about the planet Mercury, project scientists...

NASA clears shuttle launch pending hose fix
Posted: Thu, Jan 31 7:16 AM ET (1216 GMT)
NASA shuttle managers gave the go-ahead to launch the space shuttle Atlantis on February 7 pending the resolution of a problem discovered this week...

Spacewalkers replace space station motor
Posted: Thu, Jan 31 7:05 AM ET (1205 GMT)
Two astronauts replaced a key motor on the International Space Station's solar power system during a seven-hour spacewalk Wednesday. Expedition 16 Commander Peggy...

ULA restructures Delta 2 program
Posted: Wed, Jan 30 7:21 AM ET (1221 GMT)
Facing the loss of one of its biggest customers, the United Launch Alliance (ULA) announced Tuesday that it was restructuring its Delta 2 launch vehicle...

Asteroid passes near Earth
Posted: Tue, Jan 29 6:08 AM ET (1108 GMT)
A small asteroid flew relatively near the Earth early Tuesday, providing scientists with an opportunity to study the object in detail. The asteroid 2007 TU24...