The U.S. presented new seismic data Tuesday to buttress its recent allegation that China has secretly carried out low-yield nuclear tests, challenging Beijing’s insistence that it has scrupulously ...

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 ...

The United States has accused China of carrying out a secret nuclear explosive test in June 2020--an allegation that places Beijing’s suspected activity just a week after the deadly Galwan Valley ...

The United States’ top nuclear arms official on Friday accused China of carrying out an undisclosed nuclear detonation in 2020, arguing that recent secretive underground tests by China and Russia have ...

The U.S. government has released fresh intelligence on what it claims was an illicit Chinese nuclear test conducted in 2020. On June 22 of that year, a remote seismic station in Kazakhstan detected a ...

Last week, NPR and other news outlets aired a story about a possible nuclear test conducted in China. Assistant Secretary of State Christopher Yeaw alleged that China had conducted a clandestine ...