and the Soviet Union were scrambling to field the first passenger jets. The British were the first to build a passenger jetliner, the de Havilland D.H.106 Comet, which was tested in 1949 and ...

The Soviet Union detonated its first atomic bomb, known in the West as Joe-1, on Aug. 29, 1949, at Semipalatinsk Test Site, in Kazakhstan. The Soviets called their first atomic test "First Lightning." ...

The B-52 is a legendary bomber, but could it ever ferry civilians instead of missiles? This concept video crunches the ...

Cosmonaut Alexei Leonov was the first man to walk in space. In 1967 he was recruited to train for his nation's lunar program. He recalled the Soviet reaction to the moon race: "Our people were ...

On 18 March 1965 Soviet cosmonaut Alexei Leonov became the first person to leave a space capsule and, tethered to it, float freely in orbit – to space-walk. He was pilot of the Voskhod 2 mission ...