NPR's Martin Kaste reports on the tensions in Silicon Valley over AI safety. For a more detailed discussion on the arguments ...

Authorities are investigating a fatal shooting Wednesday at a federal immigration detention facility in Dallas. Two detainees were killed in what the FBI says was an act "of targeted violence." ...

Ukrainian President Volodymyr Zelenskyy addressed the U.N. General Assembly a day after President Trump made another shift in ...

Things are getting spicy. We explain how a word referring to cinnamon and pepper turned less literal by the 19th century.

For the first time, NPR's Student Podcast Challenge has a returning champion: a California fifth grader who explored a dark ...