Communities and servicemen have long argued they were harmed by fallout from above-ground nuclear weapons tests – but the UK ...

WASHINGTON—The Trump administration on Friday alleged that China has conducted nuclear tests with low explosive power, challenging Beijing’s claims that it has upheld an international agreement that ...

The US said it has intelligence that China conducted banned nuclear explosive tests. The nuclear monitoring organization said it hadn't detected activity related to an explosive test. China is ...

Last week, NPR and other news outlets aired a story about a possible nuclear test conducted in China. Assistant Secretary of State Christopher Yeaw alleged that China had conducted a clandestine ...

A senior U.S. official offered new details Tuesday night about an alleged nuclear bomb test conducted by China in June 2020. Assistant Secretary of State Christopher Yeaw spoke at a Hudson Institute ...

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 Trump administration on Friday accused China of secretly testing nuclear weapons and hiding them from the world. Speaking at a global disarmament conference in Geneva, U.S. Under Secretary of ...

In the five days since the last remaining nuclear treaty between the United States and Russia expired, statements by administration officials have made two things clear: Washington is actively ...

Nuclear capable DF-31BJ ballistic missiles are shown on transporters during a military parade in Beijing, China on September 3, 2025. China is undergoing a massive expansion of its nuclear arsenal.

The concrete cap of a tomb encasing radioactive fallout now has cracks, and what’s beneath can rise from the dead. The U.S. military, in 1958, conducted a nuclear test on Runit Island in the Marshall ...