Add Yahoo as a preferred source to see more of our stories on Google. A NASA astronaut will soon make history when he and one other step outside the International Space Station on the first spacewalk ...

CAPE CANAVERAL, Fla. -- Spacewalking astronauts ventured out for the third time in just over a week Sunday to complete an extensive, tricky cable job at the International Space Station. The advance ...

At around 8:00 a.m. EST on January 8, NASA astronauts Mike Fincke and Zena Cardman were scheduled to leave the International Space Station (ISS) for a planned 6.5-hour extravehicular activity ...

Two NASA astronauts aboard the International Space Station (ISS) will complete a spacewalk on Thursday morning to make preparations for future technology installation. NASA said astronauts Mike Fincke ...

NASA has spent the last few weeks getting ready for two spacewalks at the International Space Station (ISS), its first in eight months. But just hours before NASA astronauts Mike Fincke and Zena ...

(CNN) — NASA said on Wednesday it was postponing a spacewalk that was scheduled for Thursday, citing a “medical concern” with one of the crew members. The space agency did not provide additional ...

NASA is debating whether or not to bring one of the astronauts on the International Space Station early because of a medical issue. The agency did not give specifics of the medical problem or which ...