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

The United States accused China of carrying out secret nuclear explosive tests in breach of an international ban.

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

The US accused China of secret nuclear tests, banned under international agreement, that were building toward tests of larger ...

"I can reveal that the U.S. government is aware that China has conducted nuclear explosive tests, including preparing for ...

Brett McGurk is a CNN global affairs analyst who served in senior national security positions under Presidents George W. Bush, Barack Obama, Donald Trump and Joe Biden. In the summer of 2022, I ...

Washington on Friday accused China of conducting secret nuclear explosive tests, and of preparing for more tests with massive yields.

President Trump and one of his top cabinet officials are sending mixed messages on how the U.S. government is handling the most destructive weapons in the world. By David E. Sanger and Zolan ...

A recently declassified document from nearly 50 years ago provides an important piece of the puzzle for open-source researchers seeking to understand the murky origins of the International Atomic ...

One expert says explosive nuclear testing would be 'alarming.' President Donald Trump announced on Wednesday that he is ordering the United States to resume nuclear testing, leaving experts wondering ...