Are real-life E.T. types about to reveal themselves? Bill Ervolino says stay tuned.

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

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

Over hundreds of thousands of years, humans somehow evolved a type of intelligence found nowhere else in the animal kingdom, at least on Earth. According to the most famous theory describing the ...

Trump has ordered a UFO data release. But if aliens exist, what would they think of us? - For generations, human beings have ...

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