NASA ends efforts to contact Phoenix Mars Lander
Posted: Tue, May 25 7:16 AM ET (1116 GMT)
One day before the second anniversary of its landing, NASA officials said they were ending efforts to resume contact with the Phoenix Mars Lander as...

Delta 4 GPS launch scrubbed again
Posted: Tue, May 25 6:55 AM ET (1055 GMT)
The launch of the first of a new series of GPS satellites was postponed again Monday night because of a last-second technical problem with...

Atlantis undocks from ISS
Posted: Sun, May 23 7:39 PM ET (2339 GMT)
The space shuttle Atlantis undocked from the International Space Station on Sunday, perhaps for the final time. Atlantis undocked from the station at 11:22...

Ariane launches two satellites
Posted: Sat, May 22 11:03 AM ET (1503 GMT)
An Ariane 5 successfully launched two communications satellites Friday night on the 50th launch for the rocket. The Ariane 5 ECA launched on time at...

STS-132 wraps up final spacewalk
Posted: Sat, May 22 10:50 AM ET (1450 GMT)
Spacewalking astronauts completed the exchange of batteries outside the space station during the third and final spacewalk of the STS-132 mission on Friday. Mike...

Technical glitch delays Delta 4 GPS launch
Posted: Sat, May 22 10:27 AM ET (1427 GMT)
A telemetry problem delayed Friday night's scheduled launch of the first of a new series of GPS satellites. The Delta 4 Medium+ (4,2)...

Japan launches Venus mission, solar sail
Posted: Fri, May 21 7:47 AM ET (1147 GMT)
An H-2A rocket successfully launched a Venus orbiter mission and a small solar sail demonstrator early Friday. The H-2A lifted off from the...

Mars rover sets record
Posted: Fri, May 21 7:32 AM ET (1132 GMT)
NASA's Mars Exploration Rover Opportunity now holds the record for the longest-lived spacecraft on the surface of Mars after breaking a record Thursday...

Spacewalkers begin ISS battery replacement
Posted: Thu, May 20 7:37 AM ET (1137 GMT)
Two spacewalking astronauts replaced several large batteries on the International Space Station and performed other work during a seven-hour spacewalk on Wednesday. Steve Bowen...

Russian module added to station
Posted: Wed, May 19 6:23 AM ET (1023 GMT)
Astronauts on the International Space Station added a new module to the orbiting outpost on Tuesday. Astronauts used the robotic arms on the station and...