The Soviet Union built the most powerful nuclear weapon ever created, then deliberately reduced its explosive power before ...
In 1961, the Soviet Union detonated the largest nuclear weapon ever built. The Tsar Bomba nuclear test created a blast so ...
On March 1, 1954, the U.S. detonated the Castle Bravo thermonuclear bomb, causing unexpected fallout. The blast's radioactive debris contaminated Rongelap Atoll, exposing locals to dangerous radiation ...
At 6:45 a.m. on March 1, 1954, the U.S. detonated a thermonuclear weapon at Bikini Atoll in the Marshall Islands, a chain of 29 coral atolls and five islands in the central Pacific Ocean, about ...