U.S. authorities have been seeking Gary McKinnon's extradition ever since he carried off what was described as "the biggest hack of military computers ever."

The sharp decrease in unemployment to its lowest level in four years has the right crying foul over statistical mischief.

The International Space Station may have to move to avoid some space junk.

Scientists say NASA's Mars rover has found signs that a stream once flowed across the surface.

NASA's future plans to explore Mars may end up using astronauts as space messengers.

A fleet of picture-snapping NASA satellites that for 40 years has documented forest fires, tsunamis and everyday changes in the Earth's geography is soon getting a new member.

NASA's Mars Curiosity rover took hundreds of photos of what on Earth is a rare event: a partial eclipse of the sun.

Space shuttle Endeavour embarked on its new life as a museum piece Wednesday, leaving behind its NASA home and heading west on the last ferry flight of its kind.

NASA's Space Shuttle Endeavor was supposed to depart Florida's Kennedy Space Center on Monday for its permanent museum home in Los Angeles. But stormy weather along the Gulf of Mexico nixed the travel plans.

NASA says it has postponed a maneuver planned for the Jupiter-bound spacecraft Juno.