The research is mounting up that we might not be alone in this big wide world. So what's the likelihood that aliens are out ...

For more than a century, popular culture has trained us to picture extraterrestrials as bug-eyed, bipedal “little green men” ...

Warning: spoilers for Alien: Earth S1 E6 - “The Fly” are loose in the lab. Over the course of Alien: Earth’s previous five episodes, human, artificial person, and organism alike have been clashing.

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...