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

The US has shaken a disarmament conference by charging that China carried out at least one clandestine nuclear explosive test ...

If nothing replaces the New START nuclear arms treaty, security analysts see a more dangerous environment with a higher risk ...

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 ...

The United States on Friday accused China of carrying out a secret nuclear test in 2020 as the Trump administration calls for ...

US accusation of Chinese nuclear explosive tests completely groundless, aimed at fabricating pretexts for its own resumption of nuclear tests: Chinese envoy ...

Trump administration considers deploying additional nuclear weapons, possibly resuming underground nuclear testing following ...

China’s foreign ministry is pushing back hard after new US accusations over secret nuclear testing. Spokesperson Lin Jian is calling the charges “groundless,” accusing Washington of fabricating ...

The US has accused China of secretly carrying out a nuclear test in June 2020, a week after the Galwan Valley clash in which ...

Warning at an appearance in Las Vegas that the world is “less safe” without a binding nuclear pact, two key House Democrats ...

On July 16, 1945, the first nuclear explosion occurred a few hundred miles south of Los Alamos, New Mexico. Known as the ...

Cold functional tests have been completed at unit 3 of the Sanmen nuclear power plant in China's Zhejiang province, China ...