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.

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President Donald Trump on Thursday threatened to begin testing US nuclear weapons in response to actions by rival countries, ...

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

North Korean leader Kim Jong Un, whom Trump tried and failed to connect with during his tour in Asia, also tested strategic ...

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

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

China has responded to U.S. President Donald Trump ordering the defense department to resume testing nuclear weapons “on an ...