On October 30, 1961, the Soviet Union detonated the Tsar Bomba over Novaya Zemlya. At 50 megatons, it was the most powerful human-made explosion in history—so massive it shattered windows over 500 ...

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 ...