FILE PHOTO: U.S. Energy Secretary Chris Wright holds a press conference on the sidelines of the International Atomic Energy Agency (IAEA) General Conference in Vienna, Austria, September 15, 2025.

A U.S. official focusing on arms control has provided what he called new, declassified details of a Chinese underground ...

The United States has revealed new details about a Chinese underground nuclear test that it claims happened nearly six years ...

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

CHINA has been accused of a massive nuclear expansion as well as carrying out secret tests, as the United States bids to ...

WEST PALM BEACH, Fla. (AP) — New tests of the U.S. nuclear weapons system ordered up by President Donald Trump will not include nuclear explosions, Energy Secretary Chris Wright said Sunday. It was ...

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

Explosions rocked Tehran as the US launched major combat operations against Iran's regime, aimed at eliminating imminent threats.

WASHINGTON — The nuclear weapons testing ordered by President Donald Trump will not involve nuclear explosions at this time, Energy Secretary Chris Wright said on Sunday. "I think the tests we're ...