(390 million mi) from Earth, underneath the cold seas of Europa, a horrifying, and vastly intelligent creature lurks. Can our ...

The research is mounting up that we might not be alone in this big wide world. So what's the likelihood that aliens are out ...

Could life exist beyond Earth? This documentary investigates the solar system’s most promising candidates for alien life, from the frozen oceans of Europa to the red deserts of ...

The most important aspect of this is that, with a possible atmosphere and liquid water, this planet lies within the habitable ...

The ‘Pluribus’ finale shows the terrifying reality of a perfectly unified world with a single scene, starring Kusimayu ...

"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...

Even though these characters only appeared in a single episode of a "Star Trek" series, they left an unforgettable mark on ...

Decades ago, a spacecraft suggested Saturn's largest moon, Titan, had an ocean. New observations suggest that the liquid may look more like slush.

New research suggests Titan may be made up of a melting interior, with pockets of warm water that could offer promising ...

Pluribus imagines Kepler-22b as an ocean world that sends a gift to humanity through radio waves. In real life, no such ...

The Terra Hunting Experiment will track the wobbles of dozens of stars nightly for years in the most focused hunt yet for an ...

Uri Geller alleges NASA is hiding alien remains tied to interstellar comet 3I/ATLAS, sparking debate amid scientific evidence ...