About 500 million years ago, not a single creature had a skull. Over time, these bony plates evolved into the structural marvels that vertebrates—animals with spinal cords, aka you, me, and your pug, ...

More than 2500 plant species have the potential to invade the Arctic at the expense of the species that belong there. Norway ...

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 ...

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 ...

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 ...

Cats have been on this Earth longer than humans have. At least, the ancestors of cats! Scientists claim that the first "panther-like" creatures were roaming this Earth as early as 10 million years ago ...