Remarks by a top administration official appeared to be aimed at dispelling skepticism of its assertions, as President Donald ...

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

Satellite imagery of secretive nuclear facilities reveals Beijing’s efforts to expand its arsenal, just as the last global ...

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

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

China is on course to have more than 1,000 nuclear warheads in the next few years, according to U.S. intelligence estimates.

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

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

If nothing replaces the New START nuclear arms treaty, security analysts see a more dangerous environment with a higher risk ...

The United States accused China of carrying out secret nuclear explosive tests in breach of an international ban.

With the 09IIIB class and future 09V class, China’s development of nuclear-powered (and nuclear capable) submarines is at an ...

China has launched more nuclear-powered submarines than the United States over the past five ...