Two NASA astronauts aboard the International Space Station (ISS) are about to climb into their spacesuits and enter the vacuum of space, and you can watch the event live. The first NASA spacewalk in ...
Born in 1934, Alexei Leonov became the 11th Soviet cosmonaut and achieved several major milestones of space exploration.
On March 18, 1965, the Soviet spacecraft Voshkod-2 launched with two cosmonauts on board, Alexei Leonov and Pavel Belyayev.
Behind the iconic images of a man floating above earth is a story full of danger, secrecy and Cold War rivalry, where even the truth could become collateral damage.