With the mission finally coming to a close, Discovery commander Pamela Melroy acknowledged Tuesday she had been "extremely concerned" about the safety of the spacewalker who went out to fix the space station's ripped solar wing. ...more

November 7, 2007

even if it's just in your head. Doable things that you would really, really like to do some day. ...more

October 31, 2007

even if it's just in your head. Doable things that you would really, really like to do some day. ...more

October 29, 2007

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. ...more

October 24, 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

Ferrying hardware into orbit may not be the sexiest way to run a space program, but it's a critical part of the world's most ambitious construction job. ...more

October 23, 2007

CAPE CANAVERAL - The crew of space shuttle Discovery is in Florida this week for emergency training and a practice countdown for an upcoming launch. ...more

October 8, 2007

Germs sent into orbit on the space shuttle last year came back to Earth three times more virulent, a finding that could have major implications for astronauts on the International Space Station or on proposed voyages to the moon and Mars. ...more

September 29, 2007