The US and its allies must push back against China's contradictions—not with empty rhetoric, but with concrete proposals for P5 data-sharing, test-site transparency, and targeted diplomacy with NAM ...

Despite an international treaty banning all nuclear detonations, the issue of nuclear weapons testing is taking center stage once again. Last November, Russia officially withdrew its ratification of ...

The head of the organization overseeing a treaty banning nuclear testing is warning that if the United States, Russia or any ...

Add Yahoo as a preferred source to see more of our stories on Google. A subsurface atomic test near Yucca Flats, Nev., in March 1955. (U.S. Atomic Energy Commission via AP) (U.S. Atomic Energy ...

A senior US official on Tuesday revealed what he said were new details of an underground nuclear test blast that China allegedly conducted in June 2020. Assistant Secretary of State Christopher Yeaw ...

President Trump said on Thursday that the U.S. would begin testing nuclear weapons again for the first time in decades. “We’ve halted many years ago, but with others doing testing I think it’s ...

The world passed a nuclear milestone this week. And, perhaps surprisingly given the recent run of saber-rattling from the likes of Russia and the United States, it’s a positive one. “As of today, the ...

As Iran’s nuclear program advances, the critical question of whether Tehran would need to conduct nuclear tests to ensure its weapons are effective looms over the consciousness of the international ...

The State Department’s allegation that China conducted a yield-producing nuclear test in 2020 is reigniting debate in Washington over whether the United States can continue its decades-long moratorium ...

In a particularly heated moment from his first term, Trump taunted North Korea’s Kim Jong Un — whose 2017 underground test is the last known example of explosive nuclear testing — for the relative ...

Penn State scientists used neutron imaging at a nuclear reactor to study a corroded metal panel once suspected to be from Amelia Earhart’s plane. The analysis revealed faint markings but no definitive ...