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The Russians built the biggest bomb ever - even the test terrified the world

The Tsar Bomba was the largest nuclear weapon ever detonated, a Soviet superweapon so powerful it dwarfed Hiroshima and sent ...
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Tsar Bomba: The Cold War’s most powerful nuclear test explained

Discover the dramatic story behind the Tsar Bomba, the largest nuclear weapon ever detonated. This video explores its Cold War origins, Soviet nuclear strategy, and the events leading to its historic ...
Boston Herald

Russia and the US threatened to resume nuclear testing after several decades. Here is why it matters

VIENNA (AP) — The United States and Russia have both recently threatened to resume nuclear testing, alarming the international community and jeopardizing a global norm against such tests. Experts say ...
NPR

For the first time in decades, the U.S. and Russia have no limits on nuclear weapons

The world's two largest nuclear powers, Russia and the United States, no longer have any limits on their arsenals. At midnight on Thursday, a 15-year-old treaty called New START expired, and with it, ...