Animals caught acting like humans in hilarious ways. US plane used in boat strike was made to look like civilian aircraft ...

In a type of relationship known as mutualism, two different species benefit from one another through cooperation. While some ...

Animals often get labeled as either predators or prey. But in the wild, survival isn’t always a one-animal job. Some species form partnerships that help them find food, avoid danger, or raise young.

The top row shows variation in a zooplankton, Daphnia: the morph on the right is produced in the presence of a predator cue. The second row shows an example of dimorphic variation in horn length, ...

Digging up preserved specimens of Earth’s earliest life gives us a portal to the past — and now, that portal is offering us a voyeuristic peek at the oldest example of animal behavior we yet know of: ...