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 Doomsday Clock now stands at 89 seconds to midnight, the closest to catastrophe in its nearly eight-decade history.

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." ...

Declassified records reveal that Soviet spying on the U.S. atomic bomb effort advanced Moscow’s bomb program, but Oppenheimer was no spy. Oppenheimer joined the Manhattan Project, a nationwide ...

After world war two, and the grand enterence of the atomic weapons used in japan, the world realised that warfare would never ...

The story of the atomic bomb. Told through the scientists and spies who changed history. The race to beat the Nazis and stolen secrets. Show more The story of the atomic bomb. Told through the ...

The official US justification for the dropping of the two atomic bombs was to force the Japanese ... another purpose - to send a warning to the Soviet Union about the strength of the American ...

The previously unreported assessment written days after Rosenberg’s arrest and shown to The Associated Press adds to the questions about the criminal case against Rosenberg, who along with her husband ...