What followed after the bomber released its deadly cargo changed nuclear history forever. From a fireball that nearly touched the Earth to shockwaves that circled the planet three times, this is the ...

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 ...