It was their first spacewalk. Working 220 miles above the Earth as their weightless tools bobbed about them, two cosmonauts on Thursday struggled outside the international space station to disconnect ...

(Updates with end of spacewalk) By Irene Klotz CAPE CANAVERAL, Fla., July 10 (Reuters) - Two spacewalking cosmonauts delicately removed an explosive bolt from their Soyuz capsule on Thursday in hopes ...

CAPE CANAVERAL, Fla. -- In a daring spacewalk, two space station astronauts cut into the insulation of their descent capsule yesterday and removed an explosive bolt that could have blown off their ...

Amateur radio operators have a saying: When all else fails, there’s ham radio. And that’s true, at least to an extent — knock out the power, tear down the phone lines, and burn up all the satellites ...

A flaw in the system of explosive bolts that connect major components of the space shuttle had the potential to cause "catastrophic" damage and almost certainly will need to be fixed before the three ...

Coming back to Earth from space is never routine, but this week's descent of a Soyuz spacecraft with two Russian cosmonauts and a private space traveler from America will be more closely watched than ...