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.

It’s the stuff of nightmares: stuck in outer space, alone, with no way to get to safety except by exposing yourself directly to the cold, deadly vacuum around you. But that was the reality for Alexei ...

NASA is preparing to conduct its first spacewalk at the International Space Station (ISS) in nearly a year, ending an unusually long break for the activity. Truth be told, NASA had a spacewalk planned ...