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 ...

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

When South Korean President Lee Jae Myung meets U.S. President Donald Trump next week for their first summit, he will be ...

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 ...

Eight decades since the U.S. atomic attack on Nagasaki, Japan, survivors hope for a future free of the fear of another nuclear attack.

Limited nuclear war is a possibility grounded in strategic logic and a probability accentuated by the current geopolitical and military context. Planning for limited nuclear war is necessary not ...

Ahead of his third "Pilgrimage of Peace" to Japan to mark the 80th anniversary of the Hiroshima and Nagasaki atomic bombings, Archbishop John Wester spoke with OSV News about the current state of ...