Iran announced Sunday it will raise its enrichment of uranium, breaking another limit of its unraveling 2015 nuclear deal with world powers and further heightening tensions between Tehran and the U.S. Government spokesman Ali Rabiei told a news conference that …

Sofia Lysenko’s parents moved to the United States from the Ukraine when she was 3 years old. Today, at 17, some of the biggest American pharmaceutical companies want to team up with this teenage science prodigy because she has created …

Emergency workers in Ridgecrest, Calif., are assessing the damage after a second major earthquake struck the desert community northeast of Los Angeles on Friday night. No deaths or major injuries have been reported from either the Thursday or Friday quake, but as …

Hong Kong has long been seen as a good place to do business, thanks to its proximity to China and the one-country, two systems policy that provides a wide degree of economic freedom. But as Beijing expands its control, that …