Blast off and spend 24 hours in space with the astronauts who completed NASA's first ever all-female spacewalk! Christina ...

Incredibly, it worked: he might have been overheating, upside down, and suffering from the first pangs of the bends, but Leonov made it back inside his craft. It was time to go back home.

Two NASA astronauts aboard the International Space Station (ISS) are about to climb into their spacesuits and enter the vacuum of space, and you can watch the event live. The first NASA spacewalk in ...

A Russian rocket soared into the cosmos Thursday carrying the Sochi Olympic torch and three astronauts to the International Space Station ahead of the first-ever spacewalk for the symbol of peace.

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