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

European powers are examining how to their bolster nuclear arsenals to guard against Russia amid questions about America’s commitment to NATO.

South Korean President Lee Jae Myung said Wednesday that North Korea is producing enough nuclear fissile material to build ...

North Korea is producing enough nuclear material a year for up to 20 weapons, the South's President Lee Jae Myung said on ...

Between the Ukraine War and Operation Midnight Hammer, nuclear deterrence once again proved itself to be the defining issue ...

The New START treaty, which limits nuclear weapons, is due to expire in February.

By Francois Murphy VIENNA, Jan 16 (Reuters) - Regional fears of a U.S. attack on Iran have eased after President Donald Trump ...

Sergey Karaganov, a former adviser to Vladimir Putin, warned that Russia could deploy nuclear weapons if it came close to ...

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.

Japan doesn’t seem likely to develop nuclear weapons in the short-term. However, the tensions that triggered this episode are ...

During the Cold War the U.S. considered putting nuclear weapons on balloons and letting them float into enemy territory for a strike.

AI boss says chip sales to China ‘like selling nuclear weapons to North Korea’ - Anthropic CEO says Trump administration’s ...