The State Department’s allegation that China conducted a yield-producing nuclear test in 2020 is reigniting debate in Washington over whether the United States can continue its decades-long moratorium ...

Add Yahoo as a preferred source to see more of our stories on Google. The US said it has intelligence that China conducted banned nuclear explosive tests. The nuclear monitoring organization said it ...

The Idaho National Laboratory said the Demonstration of Microreactor Experiments facility will accelerate nuclear technology development.

Late last week, the U.S. leveled an explosive claim: China is planning secret nuclear weapons tests and has already conducted at least one. China denied the allegations, but experts are worried that ...

As major powers renew their focus on nuclear testing, the world may be entering a new nuclear era. Accusations that Beijing has conducted secret nuclear tests should trigger greater focus on China’s ...

During one very unusual Cold War drill, a Soviet Su-7 Fitter attack jet delivered a live tactical nuclear weapon in an end-to ...

North Korea has stepped up missile activity and renewed its emphasis on nuclear deterrence as the United States juggles ...

Communities and servicemen have long argued they were harmed by fallout from above-ground nuclear weapons tests – but the UK ...