The U.S. claims that China conducted a secret nuclear test near Lop Nur in 2020, while Beijing categorically denies it.

A US official says a seismic station in Kazakhstan collected evidence of an alleged China nuclear test at Lop Nur in June 2020.

WASHINGTON — The United States is ready to carry out low-yield nuclear tests to match alleged secret explosions by China and ...

As New START Treaty expires, the US has revived claims of a secret 2020 China nuclear test at Lop Nor. Are we entering a new ...

State Department alleges China conducted nuclear test in 2020, reigniting debate over U.S. testing moratorium and ...

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

By Jonathan Landay 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 ...

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

The US cites seismic data suggesting China conducted an underground nuclear test in 2020, while Beijing denies the allegation ...

Assistant U.S. Secretary of State Christopher Yeo said at an event at the Hudson Institute think tank that a remote seismic station in Kazakhstan detected a 2.75-magnitude "explosion". It occurred on ...

Was President Trump’s recent directive to resume U.S. nuclear testing — after a hiatus of 33 years — an actual policy decision? Or was it a political stunt to project toughness? His surprise ...

A nuclear engineer examines how visual effects artists interpret the size and power of nuclear explosions. The reaction compares cinematic portrayals with real-world physics, explaining what’s ...