What would aliens actually look like? While simple life forms like bacteria may be common in the universe, complex ...

Why do we tend to assume that UFOs are crafts carrying alien beings rather than alien beings themselves? How the UFO ...

If life is found beyond Earth, scientists known as astrobiologists will want to study any living beings. The first ...

When Steven Spielberg announced Disclosure Day , many fans immediately saw it as another entry in the filmmaker's ...

In an experiment to see if AI can detect and even confirm alien life, the answer is a resounding yes. The rest of this ...

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

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

The Cluster is a form of life organized on principles so different from anything on Earth that understanding it requires ...

In a new paper, researchers examine the possibility of other consciousnesses that take on forms far beyond our imagination.

Octopuses, bees, and dogs all process information differently. Even within the narrow confines of one planet, evolution produced a wide range of nervous systems rather than a single design. A new ...

Scientists are raising concerns that we may be overlooking evidence of extraterrestrial life even when it is present. Hidden ...

Add Yahoo as a preferred source to see more of our stories on Google. Left to Right: Steven Yeun in "Nope," the alien in Steven Spielberg's "E.T." and Scarlett Johansson in "Under the Skin" (Universal ...