Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Popular communication methods for nonspeaking autistic people have ignited a fierce debate over what counts as evidence of ...

The “six-seven” shrug—or, more frequently, collective shout—still tops teachers’ list of annoying kid slang, but slurs and online crudity are also percolating in some classrooms, to the worry of ...