The allegations were leveled by U.S. officials late last week. Arms control experts worry that norms against nuclear testing ...

It remains to be seen whether the three big nuclear powers are headed into a new arms race, or whether President Trump is trying to spur negotiations on a new accord now that a last Cold War treaty ...

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 ...

President Donald Trump’s call for the United States to resume a nuclear testing program that was shuttered during the George HW Bush administration would require spending astronomical amounts of money ...

Oct 30 (Reuters) - U.S. President Donald Trump ordered the U.S. military on Thursday to immediately resume testing nuclear weapons after a gap of 33 years, minutes before beginning a meeting with ...

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 ...

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 ...