In 1971, the USSR's Soyuz 11 mission ended in a tragedy that brought both sides of the Cold War together in mourning.
In 1988, the Soviet Union launched two of its most ambitious spacecraft ever built not toward Mars itself, but toward one of ...
The Soyuz 11 crew were the first cosmonauts to die in the vacuum of space, but their spacecraft still managed to make a ...
On 18 March 1965, the Soviet Union sent Alexei Leonov outside Voskhod 2 for the first spacewalk in history. The mission ...
It was on January 24 1975, following the departure of the crew onboard Salyut 3, that the Soviets fired the cannon as a test.