From lava tubes on Mars to ice pockets on Europa, subterranean environments may offer the best chance of finding life—and living safely—beyond our planet. “I was like, ‘OK, I'm pretty sure that ...

Trump has ordered a UFO data release. But if aliens exist, what would they think of us? - For generations, human beings have ...

The Search for Extraterrestrial Intelligence (SETI) focuses on finding technosignatures—potential signs of alien technology. If we look carefully, we might have a chance at detecting their ...

You never have seen an alien peeing standing up in a movie or like, yucking it up with his alien buddies. That's never ...

In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.

Can an episode of TV be a movie? The answer, pretty definitively, is "no, they’re two entirely different things." But it’s hard not to watch the hour-and-a-bit-long fifth episode of FX and Hulu’s ...