Alexei Leonov was chosen to be the first human to set foot on the lunar surface, but a series of classified failures and the death of the Soviet space program's chief designer would steal his place in ...
When two Soviet cosmonauts crash-landed 600 miles off course in a frozen Russian forest in 1965, their encounter with the wilderness sparked a classified project that would remain officially secret ...
WATCH: The first woman in space, Valentina Tereshkova, shouted, “Hey, sky, take off your hat; I’m on my way!” Tereshkova’s flight lasted nearly 71 hours. (Soviet Space Pro ...