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

Need a good movie? Watch these 10 at home now, from "Reminders of Him" to "The Long Walk." All are free on your streaming services.

A prequel tried to avoid one fan-favorite character’s swagger, but the result became one of the franchise’s strangest misfires.

Fatal shooting of Lorenzo Salgado Araujo, a Texas builder, renews outcry against Trump’s immigration crackdown ...

Researchers in a recent breakthrough study have found the possibility of structures in the Milky Way that could be built by ...

The family of a Houston homebuilder from Mexico is in mourning after Lorenzo Salgado Araujo was shot and killed by an ICE ...

A Soviet astronomer in the 1960s proposed a scale to classify hypothetical alien civilizations. Here’s why the framework is ...

Tiffany Valiante was just 18 when she disappeared from her New Jersey home in 2015 ...

Scientists have identified new clues that could help astronomers spot one of the most famous hypothetical alien megastructures: a Dyson sphere. The study finds that red dwarfs and white dwarfs are the ...

The Avengers have saved Earth from many extraterrestrial threats, but they're about to face their biggest challenge yet in Aliens vs. Avengers. That's right, Earth's Mightiest Heroes are taking on the ...