With global fears mounting, the threat of nuclear weapons has never felt so high. So what would the effect of one of the world's most powerful nukes be on a city like New York? The Tsar Bomba is ...

The Tsar Bomba wasn’t just a bomb—it was a message. In 1961, the Soviet Union detonated the largest nuclear weapon ever built, unleashing a 50-megaton explosion that was 3,000 times more ...

You can tweak the settings of the blast and choose one of four bombs ranging from the original “Little Boy” nuke to Russia’s Tsar Bomba, the largest nuclear weapon ever detonated.

And all this came from a 1.4 megaton bomb. Tsar Bomba, which was the largest nuclear bomb that has ever been detonated, was 50 megatons. So what would happen if we detonated that above the United ...