And all this came from a 1.4 megaton bomb. Tsar Bomba, which was the largest nuclear bomb that has ever been detonated, was 50 megatons. So what would happen if we detonated that above the United ...

Early on September 22, 1979, satellites picked up an exceedingly bright double flash in the South Atlantic that has never ...

A Russian bomb reportedly cut power in a Ukrainian city just after President Vladimir Putin vowed to stop attacks on energy ...

The drills come as the head of a Kremlin-backed nuclear research centre called ... to have drawn comparisons with the testing of the Tsar Bomba in 1961. He argued that test "forced the United ...