A U.S. official focusing on arms control has provided what he called new, declassified details of a Chinese underground ...

President Donald Trump says the U.S. plans to restart nuclear weapons testing for the first time in more than 30 years, a move experts fear could raise global tensions and disrupt the nuclear balance ...

Energy Secretary Chris Wright revealed the U.S. will not be testing nuclear explosions, putting to rest questions over whether the Trump administration would reverse a decades-old taboo. Testing will ...

What does Trump’s call for renewed nuclear testing mean for Nevada? President Donald Trump’s call to resume U.S. nuclear weapons testing prompted quick condemnation from some Nevada congressional ...

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 ...

BUSAN, South Korea — President Donald Trump appeared to suggest the U.S. will resume testing nuclear weapons for the first time in three decades, saying it would be on an "equal basis" with Russia and ...

(CNN) — Russian President Vladimir Putin says his country will explore the possibility of carrying out fresh nuclear tests after US President Donald Trump said last week that Washington would begin ...

The ACP100 small modular reactor demonstration project, under construction at the Changjiang site on China's island province of Hainan, successfully passed its non-nuclear turbine test run on the ...