In 1961, the Soviet Union detonated Tsar Bomba, a hydrogen bomb with a 50-megaton yield—the largest explosion ever created by humans. The blast was about 3,800 times stronger than Hiroshima and ...

Nuclear weapons have shaped global politics for decades, but their destructive power is almost impossible to comprehend. From the bomb that devastated Hiroshima in 1945 to the Soviet Union’s abandoned ...