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

This video features a cuttlefish swimming above a vibrant coral reef in the tropical waters of Raja Ampat, Southwest Papua, ...

Noah Hawley has brought the sci-fi/horror series to television. Many filmmakers have taken on the "Alien" franchise: James Cameron, David Fincher, Fede Álvarez. Ridley Scott even returned to the well ...

From microscopic organisms living on frozen worlds to bizarre creatures drifting through alien skies, this journey explores ...

As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters ...

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

There’s no data to suggest that aliens exist. However, if we believed they existed and came to Earth, our planet would offer ...

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

A siphonophore—a colonial marine invertebrate related to the venomous stinging Portuguese Man-o-war—is scanned using Deep ...

From the Greys to the Nordics, these aliens appear frequently across abduction stories and science fiction tales.

Steven Spielberg’s credulity makes his latest alien contact film, Disclosure Day, mawkish and old-fashioned rather than imaginative ...

Some woodland animals look so strange and otherworldly that encountering one feels less like a nature sighting and more like ...