For as long as humans have looked toward the stars, one question has remained unanswered: how did life begin? Scientists have ...

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.

The TV series Alien:Earth has introduced a number of new creatures to the much loved, albeit terrifying, Alien franchise. But how realistic are the new aliens? That's a question that we—a trio of ...

When scientists search for life beyond Earth, Mars usually gets most of the attention. But another world may offer an even ...

The first episode opens with a familiar scenario. We witness a research ship in deep space carrying unknown alien organisms suddenly having an outbreak, with the aliens killing most of the crew. But ...

With the release of "Disclosure Day," Steven Spielberg's new film about aliens, a question as old as science fiction itself resurfaces: If aliens were to arrive on Earth, would they come to conquer us ...

There’s no data to suggest that aliens exist. However, if we believed they existed and came to Earth, our planet would offer them a somewhat risky buffet. There is liquid water, as well as salts, ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." While the buzzy sci-fi series is science fiction (obviously), Dr. Sward says there's plenty of real ...