Language and radio signals may not matter to aliens. Instead, they might be using patterns to leave a biological fingerprint.

Marcello Hernández learned the hard way on "Saturday Night Live" that each week is a clean slate — and not all of them are ...

When astronomers first picked up a perfectly regular radio heartbeat from deep space in 1967, some of them half-jokingly ...

Consciousness could be a fundamental part of reality, like gravity or matter, according to this controversial theory.