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

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 ...

President Trump is pressuring Iran to either curtail its nuclear program or face military strikes, after Iran amassed a large ...

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

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 ...

Witkoff said that Iran’s uranium enrichment “goes far beyond civilian nuclear purposes,” considering that Donald Trump is ...

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 ...

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.

From Trinity’s fallout to a New Mexico school underground, “Nuclear Family” traces how the bomb reshaped one family and a ...

US intelligence agencies believe that China is developing a new generation of nuclear weapons and has conducted at least one covert explosive test in recent years as part of a broader push to ...

At the end of August, the AI company Anthropic announced that its chatbot Claude wouldn’t help anyone build a nuclear weapon. According to Anthropic, it had partnered with the Department of Energy ...