We often hear about the biggest animals that would easily tower over humans twice, thrice, and some even ten times. But how big, exactly, are they? Let’s take the blue whale, which is known as one of ...

WASHINGTON (AP) — Two-thirds of animal and plant populations are declining in genetic diversity, which makes it harder to adapt to environmental changes, according to research published Wednesday.

Most people think that only people can understand numbers, but that's not true. Many animals can naturally figure out how ...

Some animal societies are ruled by despots with an iron fist, while others seem naturally egalitarian – and they all have ...

Whether you call him groundhog, woodchuck, whistle-pig or use the full genus and species name, Marmota monax, the nation’s ...