Mr. Berliner’s essay has ignited a firestorm of criticism of NPR on social media, especially among conservatives who have long accused the network of political bias in its reporting.

The U.S. Surgeon General called for social media companies to be required to use safety warning labels in a New York Times opinion essay published Monday. Citing research that shows social media ...

U.S. teens are spending an average of 4.8 hours per day on social media platforms like YouTube, TikTok and Instagram, according to a Gallup survey of more than 1,500 adolescents released last fall.