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

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

The allegation comes as the White House pushes Beijing to agree to new nuclear talks after the New Start arms-control deal ...

U.S. President Donald Trump prepares to meet Chinese President Xi Jinping in South Korea on Oct. 30, 2025. Reporter What to know about Trump and Xi’s ‘deal,’ Hurricane Melissa's devastation across the ...

The Trump administration on Friday accused China of secretly testing nuclear weapons and hiding them from the world. Speaking at ...

Trump ordered the Pentagon to restart nuclear testing for the first time since 1992, citing rival nations’ actions. Trump’s claim that the U.S. has the largest arsenal contradicts data showing Russia ...

President Donald Trump speaks during a meeting with business leaders at the U.S. Ambassador's Residence in Tokyo on Oct. 28, 2025 President Donald Trump speaks during a meeting with business leaders ...

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 ...

BUSAN, South Korea (AP) — President Donald Trump appeared to suggest the U.S. will resume testing nuclear weapons for the first time in three decades, saying it would be on an “equal basis” with ...

President Trump said on Thursday that the U.S. would begin testing nuclear weapons again for the first time in decades. “We’ve halted many years ago, but with others doing testing I think it’s ...

The United States has accused China of conducting secret nuclear tests and expanding its arsenal, renewing calls for ...