The United States’ top nuclear arms official on Friday accused China of carrying out an undisclosed nuclear detonation in 2020, arguing that recent secretive underground tests by China and Russia have ...

Major missile test: Russia launched its Sarmat ICBM on May 12, with Putin calling it the most powerful missile in the world and promising deployment by year’s end. Post-treaty tensions: The test comes ...

(CNN) — The world passed a nuclear milestone this week. And, perhaps surprisingly given the recent run of saber-rattling from the likes of Russia and the United States, it’s a positive one. “As of ...

Experts warn that resumption of full nuclear weapons tests is unnecessary and would undermine the United States' efforts to discourage other nations from testing their own nukes. (Tech. Sgt. Draeke ...

A People's Liberation Army soldier in front of nuclear missiles during a military parade in Beijing on Sept. 3, 2025. (Tingshu Wang/Reuters) ...