Aristotle believed the planets revolved around Earth and God could not have created other worlds. Today, scientists scour the ...

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

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

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Rod Pyle, Editor in Chief of Ad Astra ...

Add Yahoo as a preferred source to see more of our stories on Google. While the buzzy sci-fi series is science fiction (obviously), Dr. Sward says there's plenty of real science peppered throughout.

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