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

A magnitude 4.1 earthquake in southern Iran has reignited online speculation that Tehran may be conducting underground nuclear weapons tests, with some commentators drawing a direct line between the ...

The timing of the earthquake has sparked speculation on social media, particularly given the ongoing conflict involving Iran, Israel and the United States.

Last year, President Donald Trump shocked many people when he instructed the government to resume nuclear testing “on an ...

President Trump said on Thursday that the U.S. would begin testing nuclear weapons again for the first time in decades. “We’ve halted many years ago, but with others doing testing I think it’s ...

Add Yahoo as a preferred source to see more of our stories on Google. No country other than North Korea is known to have conducted a nuclear detonation for decades (File: EPA-EFE/KCNA) China has ...

Trump wrote that he had instructed the Department of War to start testing nuclear weapons “on an equal basis” with China and Russia. But those instructions may have been sent to the wrong department.

DUBAI, United Arab Emirates (AP) — President Donald Trump’s comments Thursday suggesting the United States will restart its testing of nuclear weapons upends decades of American policy in regards to ...

After a 4.3 magnitude earthquake hit Khonj, speculation of a secret Iranian nuclear test erupted. We break down the seismic signatures, enrichment levels, and expert analysis to determine if Tehran ...

President Trump said on Thursday that the U.S. would begin testing nuclear weapons again for the first time in decades. “We’ve halted many years ago, but with others doing testing I think it’s ...