China, which has signed but not ratified the 1996 international treaty banning nuclear testing, denied setting off an ...

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

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

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.

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

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

The US says it is ready to resume low-yield nuclear testing to match alleged Chinese and Russian explosions, raising fears of ...

New START, the last treaty between the United States and Russia that limited deployment of nuclear warheads, expired this ...

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

The Pentagon is quietly transporting a next-generation nuclear reactor across the American West, routing it from Southern ...

The naval exercises, which included missiles, warships and helicopters, are testing the Iran Revolutionary Guard Corps’ (IRGC ...

Oklahoma documentary "67 Bombs to Enid" shares Marshallese survivors’ stories, linking past U.S. nuclear tests to today’s ...