Communities and servicemen have long argued they were harmed by fallout from above-ground nuclear weapons tests – but the UK ...

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 ...

The waters on nuclear testing are murky, with international observers casting doubt on whether the 2020 test even happened — ...

Scientists at Los Alamos National Laboratory say neutrinos could be used as a diagnostic tool to better understand what happens inside a nuclear weapon during a detonation. The idea relies on ...

The United States is ready to carry out low-yield nuclear tests to match alleged secret explosions by China and Russia, ending a decades-old moratorium, a senior official said Tuesday. New START, the ...

President Donald Trump's social media post on nuclear weapons testing is confusing and doesn't make sense with what is publicly known about nukes. The post's first sentence is off, and the rest of it ...

The allegations were leveled by U.S. officials late last week. Arms control experts worry that norms against nuclear testing are unraveling. The U.S. claims China is conducting secret nuclear tests.

The US said it has intelligence that China conducted banned nuclear explosive tests. The nuclear monitoring organization said it hadn't detected activity related to an explosive test. China is ...

For decades, British governments have suppressed evidence of the human and environmental consequences of nuclear testing in the Pacific.

Nev., visited the Nevada National Security Site last week to observe how scientists certify the nation’s nuclear stockpile ...

Late last week, the U.S. leveled an explosive claim: China is planning secret nuclear weapons tests and has already conducted at least one. For the first time in decades, the U.S. and Russia have no ...