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

MOSCOW, Feb 24 (Reuters) - Russia accused Ukraine on Tuesday of trying to obtain a nuclear weapon with help from Britain and ...

Russia has marked the fourth anniversary of its full-scale invasion of Ukraine by claiming the UK and France are plotting a ...

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

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

Russian Foreign Intelligence Service says Germany 'wisely refused to participate in this dangerous adventure' - Anadolu ...

An explosion outside a train station in Moscow has killed a police officer and injured two others. The attack happened minutes after midnight on Tuesday near the Savyolovsky train station, north of ...

The Russian parliament urges international bodies and lawmakers to review alleged plans to supply nuclear explosive devices ...

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 bombmaking material through uranium enrichment. Witkoff said Iran’s enrichment level has reached “60 percent.” “They’re ...

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 ...

Turkish FM Hakan Fidan also said that the idea that US or Israeli airstrikes on Iran could lead to regime change was "a pipe ...