Something strange has been happening on YouTube over the past few weeks. After being uploaded, some videos have been subtly augmented, their appearance changing without their creators doing anything.

Illegal, synthetically narrated copies of “The Hunger Games,” hit self-help books and everything in between are increasingly common on the platform. By Alexandra Alter By most measures, John Grisham’s ...

YouTube Shorts viewers might soon see AI versions of their favorite creators when scrolling through their feeds. YouTube CEO Neal Mohan announced on Wednesday that ...