Koalas look like they belong in a children's book, but spend enough time around one, and you'll realize—they're not exactly ...

Grizzly bears, for example, are a subspecies of brown bear found in parts of North America. There are many different ...

Even animals with very small brains turn out to have cultural traditions, which poses a puzzler for biologists wondering what makes human culture unique ...

Here are 10 fascinating facts about ravens. Ravens are extremely smart. When it comes to animal intelligence, these birds ...

These fascinating science facts prove that reality is often stranger—and a lot more interesting—than fiction These ...