While their experiences do not tell us what an alien would eat, they do show us that leaving Earth changes the way we eat.

And if aliens made of different stuff potentially possess consciousness, then why not minds made of silicon, metal, and ...

The moment of first contact with extraterrestrials is a staple of science fiction. It usually involves a frantic scientist ...

The question of whether aliens exist is not a new one. In science fiction films and books, people have wondered if we’re the only life in this universe and what that can imply for universes beyond ...

E.T. could be phoning home — but we’re not hearing the call. A new study published in The Astrophysical Journal argues that “space weather” could be distorting incoming transmissions from ...

Even though astronomers didn’t detect alien tech signals from a rare interstellar visitor, the results are worthwhile, they ...

Steven Spielberg's Disclosure Day has audiences buzzing about good alien conspiracy films. We've got 5 great recommendations.

A new SETI study suggests we may be overlooking alien signals not because they aren't there, but because their own stars are scrambling them before they escape into space. Turbulent plasma and ...