The more we learn about the animals we share the planet with, the more we realize how fascinating their behavior can be. In 1995, divers off the coast of Japan discovered intricate crop circles ...

Add Yahoo as a preferred source to see more of our stories on Google. Pufferfish can inflate up to three times their normal size by rapidly swallowing water to appear larger and deter predators.

Have you ever wandered along a beach and marveled at the gorgeous sand sculptures made by local artists? All of that effort, only for them to be destroyed when the tide comes in or the wind picks up.

A new study finds that puffer fish use non-toxic analogs of their famous defense poison for signalling and communication through smell, with implications for the study of their spawning and ...