Nayib Bukele said he won't return a man the U.S. mistakenly deported, while Trump teased sending American citizens to El ...

Thanks to a mouse watching clips from “The Matrix,” scientists have created the largest functional map of a brain to date.

From a pinprick to a warm breeze, every sensation you perceive begins its journey along this ascending sensory pathway. For the first time, scientists have recreated the entire human nervous system’s ...