China warns Russia against using nuclear weapons in the Ukraine war, potentially signaling a shift in geopolitical dynamics.

Welcome to an F.E. Warren Air Force Base secret underground missile bunker, where the dry desert air tastes like old socks.

The display is at the Poster House in New York City's Chelsea neighborhood until Sept. 7. The posters of the past are windows ...

When Vladimir Putin put his country's nuclear forces on "special" alert shortly after invading Ukraine, he effectively raised ...

The Trump administration plans to make available about 20 metric tons of Cold War-era plutonium from dismantled nuclear ...

Iran has long insisted its program is peaceful. The U.S., the IAEA and others say Iran had a nuclear weapons program up until ...

Iran plans to hold a call with France, Germany, and the UK as they threaten to reimpose UN sanctions over its nuclear program ...

Steve Hicks worked for 34 years at the Y-12 National Security Complex - which enriched the uranium for the atomic bomb that ...

Alongside a massive build-up in conventional military firepower, China has embarked on a rapid and sustained increase in the ...

Artificial intelligence (AI) firm Anthropic has rolled out a tool to detect talk about nuclear weapons, the company said in a ...

South Korean President Lee Jae Myung wants to resume dialogue with North Korea, laying out a three-step plan he hopes will ...