(SpaceX via AP) FILE - In this image provided by TASS, Soviet cosmonaut Alexei Leonov climbs out a hatch of his spacecraft, the Voshkod-2, to perform the first spacewalk on March 18, 1965.

It began in 1965 with Alexei Leonov of the Soviet Union and was continued a few months later by Ed White of NASA.

The Soviet Union’s Alexei Leonov kicked it off in 1965, followed a few months later by NASA’s Ed White. The New Jersey-born Isaacman started taking flying lessons in 2004 and set a world ...

Since Soviet cosmonaut Alexei Leonov performed the first spacewalk in 1965, national space agencies have executed hundreds of EVAs. Isaacman and Gillis gripped onto a hatch structure called ...

The Soviet Union’s Alexei Leonov kicked it off in 1965, followed a few months later by NASA’s Ed White. A tech billionaire performed the first private spacewalk hundreds of miles above Earth ...

The Soviet Union’s Alexei Leonov kicked it off in 1965, followed a few months later by NASA’s Ed White. A tech billionaire performed the first private spacewalk hundreds of miles above Earth on ...