A concrete dome built nearly five decades ago to contain radioactive waste from U.S. nuclear weapons testing in the Marshall ...

The State Department’s allegation that China conducted a yield-producing nuclear test in 2020 is reigniting debate in Washington over whether the United States can continue its decades-long moratorium ...

The United States has conducted a test launch of the nuclear-capable LGM-30G Minuteman III, one of the most powerful weapons in its strategic arsenal. The missile was fired from Vandenberg Space Force ...

The United States is ready to carry out low-yield nuclear tests to match alleged secret explosions by China and Russia, ending a decades-old moratorium, a senior official said Tuesday. New START, the ...

GENEVA, Feb 6 (Reuters) - The United States accused Beijing on Friday of conducting a secret nuclear test in 2020 as it called for a new, broader arms control treaty that would bring in China as well ...

WASHINGTON, Feb 17 (Reuters) - A senior U.S. official on Tuesday revealed what he said were new details of an underground nuclear test blast that China allegedly conducted in June 2020. Assistant ...

The U.S. State Department accused the Chinese government on Friday of conducting a secret nuclear test in 2020, while the Trump administration is seeking to include Beijing in new nuclear arms control ...