Workers at Pantex have completed the first of the latest version of nuclear gravity bombs, the B61-13, 11 months ahead of ...

Richard Garwin’s role in designing the hydrogen bomb was obscured from the public, even his family, as he advised presidents ...

U.S. Secretary of Energy Chris Wright announced at the Pantex Plant that the Department of Energy's National Nuclear Security ...

Ukraine's Main Directorate of Intelligence said Sunday that Moscow planned to conduct "combat training" launch of its RS-24 Yars.

A B-52 with two nuclear bombs crashed in North Carolina in 1961. Recovery crews were unable to find the weapon component ...

The U.S. and Iran remain locked in a standoff over uranium enrichment ahead of a potential new round nuclear talks.

While most of the world looked away, a new nuclear arms race has broken out between the US, Russia, and China, raising the ...

The consequences of DOGE's disruptions at the National Nuclear Security Administration could be far-reaching, expert say.

Plutonium-239, a key fissile material used in nuclear warheads, is one of the world’s most toxic substances if inhaled.

Many scientists contributed but he was the one who, as a young physicist, designed the world’s most powerful weapon. He also advised a dozen presidents.

Ever since those two mushroom clouds darkened the skies above the fiery hell that was Hiroshima and Nagasaki, the world’s two ...

Ever since two mushroom clouds darkened the skies above the fiery hell that was Hiroshima and Nagasaki, the world’s two nuclear superpowers somehow found ways to work together — even in times of inten ...