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 ...

Instead, high-energy radiation and electromagnetic pulses dominate, posing serious risks to satellites, spacecraft, and ...

Hayawo Kiyama of Los Osos was fishing with his aunt when lightning lit up the sky: “It was wide and thick but without sound, ...

A shallow 4.2-magnitude quake in Israel's Negev desert near Dimona has sparked chatter about a nuclear test. Dimona is where ...

Following a recent five-hour drive east from Tucson, the New Mexico desert sky was robin-egg blue, with wildflowers gently opening to the sun’s warmth. I was standing at Trinity, ground zero, where ...

Protests in Iran are intensifying due to the country's struggling economy, putting pressure on its theocracy. Tehran is still dealing with the aftermath of a 12-day war with Israel in June, ...

Editor’s note: The Bulletin of the Atomic Scientists presents here, from its September 1946 issue, an eyewitness account of the first atomic bomb test in the Marshall Islands. In it, the author not ...

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 ...