Democrats secured significant wins against Republicans in key races across the US on Tuesday. A major theme among Democratic ...

China rejects Trump's claim to 60 Minutes about clandestine nuclear tests, as a senior official seeks to clarify the ...

The president has said the U.S. will restart nuclear weapons testing, and claimed other powers were already doing the same.

Beijing has been expanding its arsenal, and distrust between China and the United States over nuclear weapons has deepened, ...

Experts say there are roughly 12,241 nuclear weapons across the world, with just over 9,600 thought to be operational.

Former Chair of the Nuclear Regulatory Commission Gregory Jaczko and NBC News Correspondents Courtney Kube and Monica Alba ...

Russian President Vladimir Putin on Wednesday ordered his top officials to draft proposals on possible nuclear weapons ...

China is one of several countries (including India and Pakistan) that mix nuclear and conventional capabilities on MRBMs and ...

RUSSIA has announced it will prepare to start full-scale nuclear bomb testing in the Arctic region. It comes as the US ...

President Trump and one of his top cabinet officials are sending mixed messages on how the U.S. government is handling the ...

A researcher works at the charging-sampling hot cell of the experimental Thorium Molten Salt Reactor at the Wuwei campus of ...