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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. The end of the New START treaty means Russia and the United States are no longer restricted in the number of nuclear warheads they ...

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

The United States is ready to carry out low-yield nuclear tests to match alleged secret explosions by China and Russia, ending a decades-old moratorium, a senior official said Tuesday. New START, the ...

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 ...

VIENNA (AP) — In the wake of U.S. President Donald Trump’s suggestion earlier this year that the U.S. would resume nuclear testing, a U.S. government representative defended the stance at a global ...

At a event in Washington D.C., A U.S. official said a remote earthquake in 2020 was caused by a Chinese nuclear test. U.S. releases new details on alleged secret Chinese nuclear test The U.S.