NASA astronauts are returning to Earth after nine months in space. Experts have said a prolonged period in space can come ...

float freely in orbit – to space-walk. He was pilot of the Voskhod 2 mission, part of the Soviet Union’s attempt in competition with the US to reach the moon. Leonov’s walk on 18 March 1965 ...

After nine months on the International Space Station, NASA astronauts Sunita Williams and Barry “Butch” Wilmore splashed down in the Gulf of Mexico on March 18.

Long before Butch Wilmore and Suni Williams got stuck on the space station, Apollo 11 astronauts were having their own ...

Microgravity, the condition of near-weightlessness experienced in space, can have significant physiological effects on the human body. And Butch Wilmore's recent pictures (above) say it all.

Spending time in space and having an unrivalled view of planet ... of regaining your balance and having strength to walk around normally, that's just two or three days. "Those first two or three ...