U.S. releases seismic data alleging a secret 2020 Chinese nuclear test at Lop Nur as global arms control agreements continue ...

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

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

A brand-new nuclear reactor is set to undergo testing at the Utah San Rafael Energy Lab in Orangeville, Utah. That's about ...

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

The Kremlin said on Wednesday that neither China nor Russia have carried out secret nuclear tests, noting Beijing had denied ...

At a event in Washington D.C., A U.S. official said a remote earthquake in 2020 was caused by a Chinese nuclear test.

Seismic data points to a detonation in northwest China, U.S. says.

During the Cold War, remote islands were used as nuclear testing grounds, leaving lasting environmental and health ...

The U.S. government revealed new intelligence on Tuesday suggesting China may have conducted an ...

Remarks by a top administration official appeared to be aimed at dispelling skepticism of its assertions, as President Donald Trump vows to restart U.S. tests.

The United States on Friday accused China of carrying out a secret nuclear test in 2020 as the Trump administration calls for ...