President Trump declined to say whether the U.S. would strike Iranian nuclear facilities, moments after Iran's supreme leader warned the U.S. against an attack and rejected Trump's call to surrender.

Thousands of Uyghurs became key fighters against Syria's Assad regime. For the first time, they agreed to be interviewed. NPR spent weeks with some of them to understand why they…

The Trump administration launched military strikes in Syria to "eliminate" Islamic State group fighters in retaliation for an attack that killed two U.S. troops and an American interpreter a week…