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

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

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

Beijing and Moscow build their arsenals while the U.S. restrains itself.

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

On Oct. 30, 2025, President Donald Trump ordered the United States to resume nuclear weapons testing for the first time since the early 1990s, arguing the move was necessary to keep pace with Russia ...

Southern Nevada’s Congressional delegation is calling on the Trump administration to “reaffirm” the United States’ decadeslong moratorium on explosive nuclear testing, which was concentrated in Nevada ...