Star Trek is packed with all sorts of alien, both on the Enterprise and throughout the final frontier, and these are the ...

A mysterious visitor from another star system is carrying secrets billions of years old. Its composition could reveal how ...

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

(cokada/iStock/Getty Images) Alien megastructures built to harvest stellar energy or alter the orbits of stars may be ...

The ExoLife Finder (ELF) looks like no telescope ever built. A spectacular crown of 15 five-meter mirrors perches atop a ...

A research team has developed a new approach to detecting life beyond Earth that does not rely on identifying specific ...

In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.

Explore how cutting edge telescopes, AI, and new detection methods are transforming the extraterrestrial life search and ...

A new study proposes detecting life in space by spotting patterns across many planets instead of focusing on one at a time.

During a recent televised interview, NASA Administrator Jared Isaacman said the chances of discovering extraterrestrial life ...

Ridley Scott's Alien is widely considered the ultimate sci-fi horror movie, but a few genre films, like The Fly and The Thing, are even better.

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 ...