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

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 ...

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

Photo Illustration by Thomas Levinson/The Daily Beast/Getty/FX The nightmarish xenomorph, with its piston-like inner jaw and blood that could melt your face off, might be the “perfect organism” as ...

The search for extraterrestrial life has always been a key motivator of space exploration. But if we were to search Mars, Titan, or the subsurface oceans of Europa or Enceladus, it seems like all we ...

While such organisms may or may not exist in the universe, the research has important implications for future human endeavors in space. When you purchase through links on our site, we may earn an ...

Like many fans we are simply having fun using science to analyze the creatures. This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert ...

One common complaint about science fiction involving aliens, especially a large and diverse cast of different alien races, is that the aliens just aren't alien enough. It seems like every week, the ...

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 ...

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 Alien franchise has been terrifying audiences since 1979. But what if we told you the scariest thing in Noah Hawley’s Alien: Earth was not the Xenomorph, but a sheep with the creepiest stare ...