NASA has cleared space shuttle Atlantis for liftoff Monday on a trip to stock the International Space Station with several years' worth of spare parts. Mission managers gave the go-ahead Saturday as forecasters put the odds of good launch weather at 90 percent. ...more

November 15, 2009

NASA is repairing a leaky hydrogen gas line on Endeavour's fuel tank in hopes of launching the shuttle on its space station construction mission Wednesday, four days after the first try was called off. ...more

June 14, 2009

Five years after the NASA rover Spirit landed on Mars, the six-wheel robotic geologist and its twin Opportunity are still on the job. ...more

January 4, 2009

Astronauts tinkered Sunday with a troublesome piece of equipment that can convert urine and sweat into drinkable water once it's functioning and that will allow the International Space Station to grow to six crew members. ...more

November 24, 2008

Astronauts tinkered Sunday on a troublesome piece of equipment which can convert urine and sweat into drinkable water once it's functioning and allow the international space station to grow to six crew members. ...more

November 23, 2008

About a quarter of the nation's core intelligence work force are contractors, perhaps as many as 37,000 private employees who work side-by-side with civil servants as analysts, technology specialists and mission managers, according to a report about government outsourcing by the Office of the Director of National Intelligence. ...more

August 28, 2008

The shuttle Discovery rolled to a stop here Saturday morning, bringing to a close a 14-day mission to the International Space Station. ...more

June 15, 2008

Two spacewalking astronauts supplied the international space station with a fresh tank of nitrogen gas Wednesday, one of them a German who was too sick to venture outside a few days earlier. ...more

February 14, 2008

Shuttle Atlantis' sick German astronaut looked and sounded well Sunday as he helped a crewmate prepare for a spacewalk that should have been his. ...more

February 11, 2008

If at first you can't get off the ground, fly, fly again. That's the attitude of space shuttle managers, who will try to get Atlantis airborne Saturday after a technical glitch kept astronauts on the pad Thursday. The fourth and final mission of the year will deliver a European science laboratory to the International Space Station and put NASA on track for a busy 2008. ...more

December 7, 2007