When a hunk of ice from another star system hurtles through our cosmic neighborhood, astronomers pay attention. When that ...

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

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

Scientists in a recent breakthrough have introduced a new strategy to detect extraterrestrial life, marking a novel shift ...

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

Trump has ordered a UFO data release. But if aliens exist, what would they think of us? - For generations, human beings have wondered: What would alien life from another planet be like ...

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 ...

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