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 Specs Tsar Bomba was a three-stage device, involving the fusion of hydrogen isotopes. A modified Tu-95 bomber codenamed “Bear” dropped it from the air. On the day the iconic bomb was ...

Following is a transcript of the video. Narrator: Imagine if we detonated a nuclear bomb in space? Actually, you don't have to. You can see it for yourself. That was Starfish Prime — the highest ...

The Tzar Bomba was one of the most fearsome devices ever built, a multi-stage hydrogen bomb that shattered the idea that there were any technological limits to the destructiveness of atomic weaponry.