The language-learning app Duolingo announced on Tuesday that its make-believe mascot, Duo the Owl, mysteriously died and a cause of death has not been determined. "It is with great sorrow that we ...

You may want to think twice, according to a new study that found a link between bad psychedelic trips and a more than twofold increased risk of death within five years. “There’s a lot of media ...

Mr. Evans is the founder of the Challenging Psychedelic Experiences Project. When the political scientist Rick Doblin founded an organization in the 1980s aimed at securing federal approval for ...