What would aliens actually look like? While simple life forms like bacteria may be common in the universe, complex ...

The talented Christopher Walken has been in a myriad of films, elevating every single one to must-watch status, except maybe an alien-abduction movie.

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

If life is found beyond Earth, scientists known as astrobiologists will want to study any living beings. The first ...

Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

In an experiment to see if AI can detect and even confirm alien life, the answer is a resounding yes. The rest of this ...

A North Wales vicar has argued that biblical prophet Ezekiel may have witnessed advanced alien technology, urging Christians ...

Get the latest federal technology news delivered to your inbox. You might think this column is about UFOs and the Pentagon's ...

Tracey Ullman, Sam Spruell, & Jerome Flynn join the cast of FX's Alien: Earth's second season, which just kicked off ...

Are we alone in the Universe? With more than 100 billion galaxies in the observable universe and at least 500 billion planets ...

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

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