Iran’s recently revealed uranium enrichment hall is a highly fortified underground space that appears too small to house a civilian nuclear program, but large...

North Korea has expelled U.N. monitors from its plutonium-making nuclear plant and plans to start reactivating it next week, rowing back from a 2007 deal to scrap its...

France’s nuclear safety watchdog has ordered a plant in the country’s south to temporarily close after a uranium leak polluted the local water supply.