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, the largest and most powerful nuclear weapon ever detonated, remains an iconic and terrifying testament to the destructive power of nuclear energy. Developed by the Soviet Union during ...

Consider the damage a 100-megaton version of the Tsar Bomba could inflict on Los Angeles — say, if detonated directly above the U.S. Bank Tower, the second tallest building west of the ...

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 ...

Consider the damage a 100-megaton version of the Tsar Bomba could inflict on Los Angeles — say, if detonated directly above the U.S. Bank Tower, the tallest building west of the Mississippi River.

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 weaponry.

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 ...

1961: The Soviet Union detonates the largest nuclear or thermonuclear weapon ever constructed. The Tsar Bomba (as it was known in the West; the Soviets referred to it as Big Ivan or, more ...

In 1961, Russia detonated the Tsar Bomba, the most powerful nuke in history, over a remote Arctic island. New footage has been declassified and shared on YouTube.

Largest-ever hydrogen bomb blast shown in declassified Russian video Tsar Bomba was the most powerful nuclear weapon ever built and tested, with more than 3,000 times the power of the Hiroshima bomb.