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 ...

President Donald Trump issued a directive in October to conduct nuclear weapons tests.

Discover the dramatic story behind the Tsar Bomba, the largest nuclear weapon ever detonated. This video explores its Cold ...

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 ...

The US has accused China of conducting secret nuclear weapons tests and risking a new nuclear arms race. “Today, I can reveal that the US government is aware that China has conducted nuclear explosive ...

WASHINGTON, Feb 17 (Reuters) - A senior U.S. official on Tuesday revealed what he said were new details of an underground nuclear test blast that China allegedly conducted in June 2020. Assistant ...

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 ...

Here is a look at North Korea’s nuclear capabilities and the history of its weapons program. 1985 North Korea signs the ...

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.

The Navy admiral who ‌commands U.S. nuclear forces on Thursday endorsed a finding by the Energy Department and Pentagon that ...