Scientific knowledge about the damaging effects of nuclear-weapons testing helped to end such tests. Those findings haven’t changed.

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

Anduril, in announcing the first flight of its YFQ-44A in October 2025, said it had started weapons integration tests. Over 2026, the company expects to execute the first live shot of a weapon, ...

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

The U.S. government revealed new intelligence on Tuesday suggesting China may have conducted an ...

The Air Force has begun inert, captive carry weapons testing for the Collaborative Combat Aircraft (CCA) program featuring an Increment 1 ...

Pentagon weapons testing at eight U.S. bases, including Fort Hood, could disrupt satellite navigation signals across 800-mile swaths of Texas and other states.

Resuming full testing of nuclear weapons — as President Donald Trump called for last week — would be unnecessary, costly, undermine nonproliferation efforts, and empower the nation’s adversaries 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 ...