The Tsar Bomba wasn’t just a bomb—it was a message. In 1961, the Soviet Union detonated the largest nuclear weapon ever built ...

The Tsar Bomba was the largest thermonuclear weapon ever exploded, and it earned that title in spades. But there were some unforeseen aftereffects.

The Tsar Bomba was one of the most fearsome devices ever built, a multistage hydrogen bomb that shattered the idea that there were any technological limits to the destructiveness of atomic ...

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 ...

Interestingly enough, Tsar Bomba was one of the “cleanest” nuclear weapons ever detonated, because the bomb’s design eliminated 97 percent of the possible fallout. Even its size was monstrous.

Interestingly enough, Tsar Bomba was one of the “cleanest” nuclear weapons ever detonated, because the bomb’s design eliminated 97 percent of the possible fallout. Even its size was monstrous.

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 ...

The figures are based on a simulation of a 50 megaton blast like the two-stage Tsar Bomba. However the original design was for a three stage device yielding 100 megatons.

On October 30, 1961, the Soviet Union conducted an atmospheric test of the 50-megaton Tsar Bomba (Russian for “Bomb King”) nuclear weapon over the Novaya Zemlya archipelago in the Arctic Ocean ...

Officially designated as AN602 hydrogen bomb, the Tsar Bomba used the common three-stage Teller-Ulam design wherein the primary fission reaction is used to compress a secondary mixed fission ...