When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

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

Project Hail Mary, Solaris, and The Hitchhiker's Guide to the Galaxy are all among the very best sci-fi books set in space.

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 ...

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

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

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

Using emerging radio techniques refined during and after the Second World War, the astronomers detected a powerful radio ...

The Great Filter theory suggests advanced civilisations may self-destruct before contacting others, explaining the universe's ...

Supergirl makes serious changes to Woman of Tomorrow for the live-action adaptation, cutting some of the comic's best-looking ...

Learn about a new working paper that argues that consciousness may not be limited to Earth-like biology, raising the ...