The interstellar visitor Comet 3I/ATLAS passed Earth with Harvard astrophysicist Avi Loeb saying it could be an alien probe.

Comet 3I/ATLAS, a rare interstellar visitor, is visible this week as it departs the solar system, with some public events ...

Is 3I/ATLAS a comet or an alien ship? Harvard's Avi Loeb warns of a 'serial killer' visitor as the interstellar object makes ...

The vast silence of the cosmos was momentarily interrupted on Friday as a mysterious celestial traveller reached its closest ...

With 3I/ATLAS days away from making its closest approach to Earth, agencies worldwide are conducting the largest and most ...

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

A former Israeli space chief's claims about an alien galactic federation have resurfaced, sparking a viral debate and renewed searches about possible extraterrestrial contact.

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

Set to hit screens this summer, FX on Hulu has dropped another early look at Noah Hawley's (FX's Fargo) Sydney Chandler (Pistol, Sugar)-starring Alien: Earth. Up until now, we've been told that "In ...

The Dead Space series is one of the biggest names in sci-fi horror, successfully blending a creepy, awful atmosphere with setpieces of relentless, grisly action. In the movie world, the Alien ...

Many video games are full of alien horrors, but these are the best games that let players turn the tables and become the terror from outer space. When you purchase ...