In October 1961, the Soviet Union detonated the Tsar Bomba, a nuclear weapon with a yield of 50 megatons. The explosion was ...

Discover the dramatic story behind the Tsar Bomba, the largest nuclear weapon ever detonated. This video explores its Cold ...

Nuclear weapons haven’t been tested in the United States since 1992. Find out why, and what could happen if the hiatus ends.

The world passed a nuclear milestone this week. And, perhaps surprisingly given the recent run of saber-rattling from the likes of Russia and the United States, it’s a positive one.

Nuclear weapons testing has affected every single human on the planet, causing at least four million premature deaths from ...

America’s last nuclear detonation was nothing special. Smaller than the bomb that killed 73,000 people in Nagasaki, it exploded 1,397 feet below the Nevada desert. It shook the ground, created a ...

From Pacific islands to global fallout, a new report traces how decades of nuclear testing left a silent health crisis that ...

VIENNA (AP) — In the wake of U.S. President Donald Trump’s suggestion earlier this year that the U.S. would resume nuclear ...

WEST PALM BEACH, Fla. — New tests of the U.S. nuclear weapons system ordered up by President Donald Trump will not include nuclear explosions, Energy Secretary Chris Wright said Sunday. It was the ...

As the cloud cleared, Air Force bombers dropped in to gather air samples. Researchers hoped that the radioactive fallout ...

Danny Kemp with Sebastian Smith in Washington AFP Oct 31, 2025 Oct 31, 2025 Updated Nov 1, 2025 President Donald Trump reiterated Friday that he wants testing of US nuclear weapons, but again failed ...