US intelligence agencies believe that China is developing a new generation of nuclear weapons and has conducted at least one ...

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

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

US officials reportedly believe China’s nuclear expansion is narrowing the gap with the United States and Russia, potentially ...

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 ...

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

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

The United States on Friday accused China of carrying out a secret nuclear test in 2020 as the Trump administration calls for a broader nuclear weapons agreement including both China and Russia.

It remains to be seen whether the three big nuclear powers are headed into a new arms race, or whether President Trump is trying to spur negotiations on a new accord now that a last Cold War treaty ...

Danny Kemp with Sebastian Smith in Washington AFP Oct 31, 2025 Oct 31, 2025 Updated Nov 1, 2025 President Donald Trump reiterated Friday that he wants testing of US nuclear weapons, but again failed ...

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