Scientists have discovered more than 6,000 planets beyond our solar system. What if some of them aren't planets at all, but ...

The search for extraterrestrial life in this vast universe needs all hands on deck. A crowd-sourced project from UC Berkeley ...

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 radio signals of ...

Planets larger than Earth but smaller than Neptune – so called sub-Neptunes – are the most common type of known exoplanet. It ...

Scientists have found new evidence suggesting that interstellar 3I/ATLAS is not an alien spaceship, as one conspiracy theory ...

Scientists found new evidence (or lack thereof) disproving the conspiracy theory that interstellar comet 3I/ATLAS is alien ...

When interstellar visitor 3I/ATLAS exhibited some peculiar movements, speculation arose regarding potential alien origins.

From the Upside Down through the Devil's Anus and beyond. Here are 6 times these theoretical wormholes turned up in sci-fi ...

Discovered by volunteer scientists, this alien planet is out of synch with its siblings ...

We live in a very exciting time: answers to some of the oldest questions humanity has conceived are within our grasp.