"You’re a long way from anywhere that’s dry." Scientists stunned by new species discovered in West African forest: 'You can't ...

In the vast urban sprawl of Arizona, the habitat of the tiny western burrowing owl is being destroyed—prompting ...

Learn how to identify a male and female tree swallow. Find out about their nests, song, range map and what tree swallows eat.

Riley Black’s new book, When the Earth was Green, uses the latest research to envision the ancient worlds of our favorite prehistoric animals.