The Tsar Bomba exploded with a destructive power equivalent to more than 1500 times that of the weapons dropped over Japan in 1945. It created a fireball more than 8 kilometers wide, ...

The Tsar Bomba remains the most powerful nuclear bomb ever detonated, a weapon of unimaginable destruction. Designed by the Soviet Union in the 1960s, its explosive yield was 50 megatons of TNT, ...

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 ...

The Tsar Bomba mushroom cloud. Photo: Fair use Atlas Obscura on Slate is a blog about the world's hidden wonders. Like us on Facebook, Tumblr, or follow us on Twitter. Just after midday on October ...

A newly-declassified video shows the testing of the Tsar Bomba, a nuclear weapon built by the former Soviet Union. The bomb was built in the midst of the Cold War, and only one was ever constructed.

Russia's nuclear energy agency has released never-before-seen footage of the test of the Tsar Bomba nuclear bomb in 1961, which produced the largest man-man explosion in history.

The so-called “Tsar Bomba” was exploded above the Arctic Circle in October 1961. The footage was classified for decades, but the bomb test was hardly a secret.