Last year, an interstellar traveler entered our solar system. Some speculated that it was an alien spacecraft, but it turned ...

Group set up by Harvard professor Avi Loeb to advise White House, Pentagon, FBI and American intelligence community on ...

With new technologies come new opportunities. And that is especially true in astronomy—with every new advanced telescope, we ...

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

Before his death, Stephen Hawking consistently warned humanity against contacting aliens. As interest in UFOs and little ...

For your extraterrestrial viewing needs, Stacker ranked the top 30 alien movies, according to their IMDb user rating.

Starfleet encounters​​​. Whether it's the warlike Klingons, the logic-seeking Vulcans, or the alluring Orions, the Star Trek ...

A traditionalist Catholic nun has claimed that UFO sightings are really encounters with 'fallen angels', aligning with ...

Scientists suggest that advanced aliens might not have physical bodies, challenging traditional views of extraterrestrial ...

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

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks are enormous.

DC Comics has created some of the charismatic villains in comics, bad guys who could sell gasoline in Hell and others who aren't so magnetic.