The United States has revealed new details about a Chinese underground nuclear test that it claims happened nearly six years ago. The disclosure comes as tensions rise over global nuclear arsenals ...

US intelligence agencies believe that China is developing a new generation of nuclear weapons and has conducted at least one covert explosive test in recent years as part of a broader push to ...

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

VIENNA, Oct 30 (Reuters) - The head of the Comprehensive Nuclear-Test-Ban Treaty Organization, or CTBTO, said on Thursday that any explosive nuclear weapon test would be harmful for global ...

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. Earlier this week, Russian President Vladimir Putin revealed that his government has finalized testing of a new nuclear weapon and ...

Prior to his meeting with China’s President Xi Jinping in Busan, South Korea on October 30, United States President Donald Trump wrote that he has ordered the U.S. military to resume nuclear testing ...

Add Yahoo as a preferred source to see more of our stories on Google. Was President Trump’s recent directive to resume U.S. nuclear testing — after a hiatus of 33 years — an actual policy decision? Or ...

Was President Trump’s recent directive to resume U.S. nuclear testing — after a hiatus of 33 years — an actual policy decision? Or was it a political stunt to project toughness? His surprise ...