Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

ADVANCED alien civilisations might be talking to each other across the vast reaches of space using a “firefly” technique.

Introduction -- Form vs function : what is common across worlds? -- What are animals and what are aliens? -- Movement - scuttling and gliding across space -- Communication channels -- Intelligence ...

A team of astronomers claims to have sniffed out a “biosignature” in the atmosphere of a distant planet called K2-18b. But not everyone agrees that it signals life. An illustration shows what ...

To celebrate Alien: Earth landing on Hulu, we asked a zoologist if any of the Xenomorph's infamous characteristics occur in the natural world When you purchase through links on our site, we may earn ...

Across the nine screen adaptations to date, Alien’s perfect organism has always evolved. The same is true in Alien: Earth, where the show’s Xenomorph now also part of a whole "predatory" ecosystem, ...