The detonation of the first nuclear bombs over Hiroshima and Nagasaki in August 1945 is seared into our collective memory, and the world has been haunted by the prospect of a devastating nuclear ...

In October 1961, the Soviet Union detonated a bomb so powerful that its shock waves circled the globe three times. Nicknamed Tsar Bomba, it was 3,000 times stronger than the bombs dropped on Hiroshima ...

Russia has released previously classified footage of the world’s largest nuclear explosion, caused when the Soviet Union detonated the so-called Tsar Bomba almost 60 years ago. The hydrogen bomb, ...

Here’s What You Need To Remember: On a clear day, an airburst at 14,000 feet above ground level would produce a nuclear fireball two miles wide that would be hotter than the surface of the sun, ...

In October 1961, the Soviet Union dropped the most powerful nuclear bomb in history over a remote island north of the Arctic Circle. Though the bomb detonated nearly 2.5 miles (4 kilometers) above ...