WASHINGTON, DC (NASA PR) — We’re saddened by the loss of legendary Roscosmos cosmonaut Alexey Leonov, who became the first human to walk in space on March 18, 1965. His venture into the vacuum of space began the history of extravehicular activity that makes today’s International Space Station maintenance possible. Leonov passed away on Oct. 11, 2019. He was 85 years old. He was 85 years old. In this May 2014 interview, […]