On October 30, 1961, the Soviet Union detonated the Tsar Bomba over Novaya Zemlya. At 50 megatons, it was the most powerful ...
It was only last October that telescopes spotted a gamma ray burst—caused by the collapse of a black hole—that was so ...
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 ...