Aristotle's views on the nature of the cosmos dominated the Ancient Greek world. He argued that there's only one world, at ...

Bummed that your favorite SyFy show, Resident Alien, ended without a proper finale? Well, Resident Alien Nation, there’s some ...

Add Yahoo as a preferred source to see more of our stories on Google. Xenomorphs, facehuggers, and eye midges have only just begun their horrifying work. FX has announced that Alien: Earth, which ...

The LHS 1903 system defies expectations with a rocky outer planet, prompting new ideas about how planets form and evolve.

'Do all aliens really need sunlight?' ...

Watch how dramatically the sky changes across planets and moons in our solar system. From pitch-black horizons to glowing orange atmospheres, each world offers a completely different view above. The ...

A lunar far side experiment finds no alien signals but proves the Moon could offer the quietest listening post yet for future ...

CJ Abrams has become synonymous with his interest in aliens, including a diamond-encrusted alien necklace that is a staple of ...

Alan Tudyk's 4-part sci-fi saga is making a comeback with a new project, giving fans some closure after last year's sudden ...

To kick off the latest installment, Invincible takes us back to the younger years of both Thragg and Thaedus as they served ...

Comet 41P/Tuttle-Giacobini-Kresak has begun acting a little unusually, but there are likely natural explanations before we go ...

Nearly two dozen ‘Earth-like’ planets that could be crawling with alien life have been identified by scientists. Exoplanets are what scientists call worlds that orbit other stars (though some are ...