Hydronuclear experiments, barred globally since the 1990s, may lie behind President Trump’s call last month for the United ...

Hiroshima, Japan — Koko Kondo was returning from the Vatican, where she had sat beside Pope Leo XIV and delivered the closing ...

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

President Trump has argued the U.S. should test nuclear weapons because other countries are doing it. But scientific data suggest they’re not.

Against this backdrop, I can’t stop thinking about a scene in the new film “A House of Dynamite.” A clean-cut U.S. Navy ...

Was President Trump’s recent directive to resume U.S. nuclear testing — after a hiatus of 33 years — an actual policy ...

By John Fairlamb, Ph.D., Defense Opinion Writer. Restarting explosive nuclear weapons testing, or even for political reasons ...

The Energy Department and Air Force in August successfully carried out the first tests dropping unarmed B61-12 nuclear ...

While the significance of testing nuclear weapons dwindled over 60 years ago, the terrifying circumstances that brought that ...

As Moscow threatens to launch nuclear warheads against NATO states helping Ukraine fend off the Russian invaders, the world ...

In 1957, scientists detonated a nuclear bomb under the Nevada desert — and launched a steel manhole cover at unimaginable ...