With fuel gauges still a possible threat, NASA aimed for a launch today of space shuttle Atlantis after senior managers signed off on a plan to tighten flight rules and shoot for a slim one-minute window. ...more

December 9, 2007

Seven astronauts arrived for the start of countdown to Thursday's space shuttle launch as NASA wrapped up repairs on Atlantis' fuel tank. ...more

December 4, 2007

Astronauts successfully unfurled a torn solar power wing at the International Space Station on Saturday after spacewalker Scott Parazynski cut loose a tangled clump of wires and patched everything. ...more

November 4, 2007

CAPE CANAVERAL - Among the sweetest words in the NASA lexicon are "negative return," and they were met with applause as the shuttle Discovery roared into orbit with seven astronauts aboard. The technical jargon means the crew is safely on its way and the shuttle too far away to return to Kennedy Space Center in the event of an emergency. After a picture-perfect countdown, Discovery blasted off at 11:38 a.m., despite the threat of weather and a nagging piece of ice on a fuel line. ...more

October 23, 2007

NASA is about to embark on an unprecedented asteroid-belt mission with a spacecraft aptly named Dawn. ...more

September 26, 2007