For your extraterrestrial viewing needs, Stacker ranked the top 30 alien movies, according to their IMDb user rating.

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

Australia's space agency said there's a completely rational, albeit cosmic, explanation behind the mysterious orbs that ...

They may have been unethical, potentially dangerous and somewhat sexist … but each of these classic adverts, from the PG Tips monkeys to the Tango slapper, caught the public’s imagination ...

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

Explaining the passage of time has been a gnarly problem in physics basically forever, but physicist and computer scientist ...

The scientist has outlined the 'potentially devastating and irreversible long-term impacts' of unknown organisms in space ...

Seeking out the simplest, most elegant explanations has served scientists well for centuries, but cognitive scientist Marina ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to ...

Scientists suggest that advanced aliens might not have physical bodies, challenging traditional views of extraterrestrial ...

Eventually, we'll launch a mission dedicated solely to studying an interstellar object. When that day comes, which one should ...

They’re gonna need a bigger boat. A wildlife biologist recently went diving for massive sharks off the South Shore, and his ...