Modern astrobiology suggests that alien life would evolve under many of the same ruthless pressures that shaped organisms on ...

The nightmarish xenomorph, with its piston-like inner jaw and blood that could melt your face off, might be the “perfect organism” as succinctly described in the original Alien movie, but that hasn’t ...

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 ...

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 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 ...

To understand the life that might survive deep below Mars' surface, we can look to some of the deepest, and oldest, forms of living organism on our own planet. Mars isn't just the red planet: it's ...

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 ...

Tim Woodstrover plumbs the depths of why we call some extinct species 'alien' and what this means for the future of conservation ...