Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

Astronomers have sharply revised down the mass of nearby super Earth GJ 3378b, dramatically improving its prospects as a ...

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

'This one's exciting.' ...

Scientists detected gases on exoplanet K2-18b linked to life on Earth. The James Webb Space Telescope's future results show a ...

NASA's new alien-hunting telescope, the Habitable Worlds Observatory (HWO), will be serviceable out in space (and it will ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals . Unexplained gases on other planets. Things mistaken for UFOs ...

Ancient deep-sea organisms suggest movement, sexual reproduction, and complex animal life began earlier than previously thought.