Scientists have long assumed raptors need vast territories to raise their young, but a tiny falcon barely heavier than a golf ball is forcing researchers to tear up that assumption and start over.

Mars, the baby Pigmy Hippo, is as stubborn as they come, and he doesn't want his playtime to end. The on-screen text perfectly sets the scene: "Us telling Mars it's time to get out of the pool vs. his ...

Discover the world's most breathtaking rainforest destinations, from the vast Amazon to the ancient Daintree and ...