A secret US nuclear weapons facility near Las Vegas may soon begin testing live bombs again as global tensions may be pushing ...

A team of researchers has found an unusual spike in beryllium-10 levels in the Pacific seabed, dating back 10 million years.

Ukrainian President Zelensky tells JD Vance that his country needs "security guarantees" for peace talks. Newsweek's live blog is closed.

The head of the International Atomic Energy Agency (IAEA) has warned that Iran continues to increase its monthly production ...

A Russian court has ordered an American man to be held in custody for 30 days after he was arrested at a Moscow airport on ...

[ Update, Feb. 11: Guterres condemned the death in prison on Feb. 10 of a World Food Program colleague, a 40-year-old named ...