STS-133 countdown begins
Posted: Tue, Feb 22 8:12 AM ET (1312 GMT)
Countdown clocks started Monday afternoon for Thursday's launch of the space shuttle Discovery on that orbiter's final mission. The countdown started Monday at...

Russia writes off military satellite in wrong orbit
Posted: Tue, Feb 22 8:02 AM ET (1302 GMT)
Russian government officials said that a military satellite launched this month into the wrong orbit will not be able to carry out its mission, and...

NASA sets STS-133 launch for Thursday
Posted: Sat, Feb 19 6:19 AM ET (1119 GMT)
NASA managers confirmed Friday a February 24th launch date for the space shuttle Discovery. The shuttle will lift off on STS-133 at 4:50...

Biggest solar storm in years reaches Earth
Posted: Fri, Feb 18 6:33 AM ET (1133 GMT)
The biggest solar storm in four years passed the Earth on Thursday but with only limited reports of adverse effects. Solar-observing spacecraft witnessed a...

Ariane launches ATV
Posted: Thu, Feb 17 8:08 AM ET (1308 GMT)
After a one day delay, an Ariane 5 successfully launched a European cargo spacecraft to the ISS on Wednesday. The Ariane 5 ES lifted off...

Russian cosmonauts perform ISS spacewalk
Posted: Thu, Feb 17 7:57 AM ET (1257 GMT)
Two Russian spacewalks spent nearly five hours outside the International Space Station on Wednesday installing new experiments on the station. Dmitry Kondratyev and Oleg Skripochka...

Stardust returns images of Tempel 1
Posted: Wed, Feb 16 7:10 AM ET (1210 GMT)
NASA's Stardust spacecraft, repurposed to fly past the comet Tempel 1, returned images Tuesday of the comet's nucleus, including the crater created by...

ATV launch scrubbed
Posted: Wed, Feb 16 6:54 AM ET (1154 GMT)
The launch of Europe's second cargo spacecraft to the International Space Station was scrubbed late Tuesday because of a last-minute glitch. A "measurement...

White House proposes $18.7 billion NASA budget for 2012
Posted: Tue, Feb 15 6:51 AM ET (1151 GMT)
The Obama Administration released its fiscal year 2012 budget proposal on Monday, including $18.7 billion for NASA, a figure virtually identical to the agency'...

EchoStar to acquire Hughes
Posted: Tue, Feb 15 6:37 AM ET (1137 GMT)
EchoStar announced Monday it had reached a deal to acquire satellite operator Hughes Communications for a total price of about $2 billion. Under the deal...