The National Nuclear Security Administration said development for a bomb 24 times more powerful than the one dropped on ...

Iran's president again pledged Wednesday that his nation is “not after a nuclear bomb” ahead of talks between Tehran and the ...

The opportunity to use snapback sanctions to hamper Iran's rapidly developing nuclear program is slipping through its fingers ...

The B61-13 variable yield gravity bomb is now going into full production seven months ahead of schedule, Sandia National ...

US President Donald Trump's tariff war has rocked global markets and could trigger significant shifts in the world order.

The lab designing the warhead says it is accelerating the timeline to respond ‘to a critical challenge and urgent need.’ ...

The B61-13 bomb,which has a maximum yield of 360 kilotons, has been given an accelerated timeline for production by the ...

Iran's president said nuclear achievements cannot not be compromised and the Islamic Republic does not seek weapons ...

For decades, the idea that the U.S. would risk war against North Korea to defend South Korea was a given in international ...

Nuclear plants are prime targets in wartime Ukraine. Renewables are safer, cheaper—and already on the rise.