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

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

"The jury remains out on whether the June 2020 event was a nuclear test or not. What is certain is that we are in a time of nuclear uncertainty and it will continue for some time," Lori Dengler writes ...

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

A US official has presented evidence of a secret Chinese nuclear test, raising tensions in global arms control discussions.

(Reuters) -U.S. President Donald Trump ordered the U.S. military on Thursday to immediately resume testing nuclear weapons after a gap of 33 years, minutes before beginning a meeting with Chinese ...

China's Foreign Ministry responded on Monday to President Trump's assertion that Beijing has conducted clandestine nuclear weapons testing with a flat denial. "China's testing 'em too," Mr. Trump told ...

President Donald Trump ordered the Department of War to resume testing nuclear weapons “on an equal basis” with Russia and China on Thursday, a practice halted by the U.S. in 1992. The announcement ...

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 ...

Confusion and ambiguity are dangerous in nuclear brinksmanship. President Donald Trump spread both on Wednesday when he ...

ALBUQUERQUE, N.M. — Transported in the backseat of a blacked-out Plymouth sedan was the culmination of years of feverish work — a hefty plutonium core that would soon be used to trigger the world’s ...

TASS FACTBOX. On October 30, 2025, US President Donald Trump announced that he had instructed the Department of War to begin nuclear weapons testing because "other countries are doing the same," ...