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

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

Officials have ruled out earthquakes or mining as the source of a 2.75-magnitude event in 2020 near China's nuclear test site.

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

A Trump administration official said that a remote seismic station in Kazakhstan measured an “explosion” in western China on ...

US intelligence agencies believe China is developing a “new generation” of nuclear weapons — with Beijing having reportedly conducted at least one undisclosed explosive test already. China’s plan to ...

Washoe County commissioners unanimously approved a special-use permit Tuesday for an explosives testing and drone research project on land near the Black Rock Desert, the site of the annual Burning ...

Email notifications are only sent once a day, and only if there are new matching items. It might not have as reverent a name as the Trinity Test or a litany of films made about it. But Project Gnome, ...

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 ...