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 ...

The explosion was captured in real time, but the aftermath told an even more unsettling story. Entire buildings were torn apart, shockwaves reshaped neighborhoods, and the scale of destruction became ...