A top arms diplomat at the State Department recently laid out what might come next as Washington upends decades of federal policies on nuclear proliferation.

The Rulison test — conducted at a depth of 8,425 feet — was the deepest subterranean nuclear-bomb detonation conducted in U.S. history.

Out of this surreal convergence of spectacle and science emerged one of the most striking and unsettling cultural icons of ...

LOS ALAMOS — A sphere of plutonium the size of a grapefruit contains enough energy to erase an entire city from existence. That single fact explains why nuclear weapons remain humanity’s most feared ...

America’s last nuclear detonation was nothing special. Smaller than the bomb that killed 73,000 people in Nagasaki, it exploded 1,397 feet below the Nevada desert. It shook the ground, created a ...

President Donald Trump ordered the Department of War to resume testing nuclear weapons “on an equal basis” with Russia and China on Thursday, a practice halted by the U.S. in 1992. The announcement ...

IRAN’s top diplomat claimed today that enemies “fear” its atomic bomb, while refusing to stop the nuclear program which the ...

President Trump has ordered (with some walkback by his Energy Secretary) the resumption of U.S. nuclear weapons testing — a potential tit-for-tat response to recent Russian weapons activity, and ...

Satellite images show major construction at secret nuclear weapons facilities in southwest China. The images reveal new buildings, underground bunkers, and industrial infrastructure linked to ...

India’s nuclear journey traced from Einstein to SHANTI Act 2025, exploring power, policy shifts, privatization, risks, and ...

A quarter century ago, German political scientist Harald Müller observed that “the very basic question of whether … Germany should rethink its renunciation of nuclear weapons has a very odd ...