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

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

China has opposed the ‘smearing of its nuclear policy’ while insisting Beijing would not ‘engage in any nuclear arms race’ ...

A US official says a seismic station in Kazakhstan collected evidence of an alleged China nuclear test at Lop Nur in June 2020.

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

Assistant U.S. Secretary of State Christopher Yeo said at an event at the Hudson Institute think tank that a remote seismic station in Kazakhstan detected a 2.75-magnitude "explosion". It occurred on ...

US claims China carried out a 2020 underground nuclear test at Lop Nur, urging Beijing and Moscow to engage in disarmament after New START expired.

US official Christopher Yeaw said 'Beijing is on track to have the fissile material necessary for more than 1,000 nuclear ...

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

The curious minds at What If explore what happens if the largest nuclear bomb explodes in space, revealing radiation, shockwaves, and satellite destruction.

C ould nuclear bombs be harnessed to help people? As the Cold War raged on in the 1950s, scientists building nuclear weapons began to ponder whether they could be put toward posit ...