Cosmonaut Aleksei Leonov during the first human spacewalk in 1965. Image: NASA On March 18, 1965, cosmonaut Aleksei Leonov exited his Voskhod 3KD spacecraft, becoming the first human in history to ...

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 ...

MOSCOW (Reuters) - Hundreds of Russians bade farewell to cosmonaut Alexei Leonov, the first human to walk in space, at a solemn funeral ceremony on Tuesday which culminated in a gun salute. The ...

MOSCOW (AP) — Alexei Leonov, the legendary Soviet cosmonaut who became the first human to walk in space 54 years ago — and who nearly didn’t make it back into his space capsule — has died in Moscow at ...

(See Cover) Tied to a capsule by a 16-ft. tether, the first human satellite whirled through the vacuum of space at 18,000 m.p.h. For ten minutes Soviet Cosmonaut Aleksei Arkhipovich Leonov drifted and ...

Alexei Arkhipovich Leonov was a pioneering Soviet cosmonaut whose remarkable achievements in space exploration left an indelible mark on history. Born in the small village of Listvyanka, Leonov's ...

Extra-vehicular activity, or EVA—working outside a spacecraft—changed the nature of human spaceflight. It made possible walking on the Moon, servicing the Hubble Space Telescope, and building the ...