GENEVA (AP) — A U.S. official focusing on arms control on Monday provided what he called new, declassified details of a ...

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

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

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

Iran may be a week away from weapons-usable nuclear material as enrichment nears critical levels, US pressures Tehran with military deployments and diplomacy, but Tehran refuses to capitulate under pr ...

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

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.

Tehran has denied it seeks nuclear weapons and said it was willing to accept some curbs in exchange for sanctions relief.

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

Special Envoy Steve Witkoff says Iran is a “week away” from developing nuclear bomb-making material through uranium enrichment. Witkoff said Iran’s enrichment level has reached “60 percent.” “They’re ...

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

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 ...