WEST PALM BEACH, Fla. (AP) — New tests of the U.S. nuclear weapons system ordered up by President Donald Trump will not include nuclear explosions, Energy Secretary Chris Wright said Sunday. It was ...

Discussing nuclear weapons earlier this month, Chinese Foreign Ministry spokesperson Mao Ning said the nation “is committed to peaceful development, follows a policy of ‘no first use’ of nuclear ...

WASHINGTON — Democratic senators representing states that bore the brunt of the fallout from explosive nuclear weapons testing are seeking to pass legislation that would bar President Donald Trump ...

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 ...

Secretary of War Pete Hegseth’s recent announcement that the U.S. will resume testing nuclear weapons has alarmed some nuclear-arms experts. It shouldn’t. President Trump had already announced earlier ...

President Trump's comments about restarting weapons tests are not likely to lead to mushroom-cloud explosions over the New Mexico desert or seismic shaking underground in Nevada, according to the ...

Add Yahoo as a preferred source to see more of our stories on Google. U.S. President Donald Trump with Chinese President Xi Jinping. China's nuclear expansion is on a trajectory to soon rival ...

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

US President Donald Trump has shocked the world by announcing another nuclear bomb test. There's no doubt that countries like China, North Korea, and Russia are secretly conducting nuclear tests.

China's Foreign Ministry responded on Monday to President Trump's assertion that Beijing has conducted clandestine nuclear weapons testing with a flat denial. "China's testing 'em too," Mr. Trump told ...