It is not a recent cultural development. A new study in Evolution and Human Behavior suggests kissing may date back 21 ...

Camera traps reveal that Amazonian animals use a walkway high up in the forest as a secret night-time highway.

How different animals perceive and interact with their environment.

Learn why the Amazon is critical for our planet and how WWF is working to protect its forests, rivers, and wildlife from ...

Every spring, the familiar songs of Wood Thrushes and warblers return to the parks and backyards of eastern North America.

Elephants are vital to ecosystems. Learn interesting facts and how WWF works to protect them across Africa and Asia.

"They’ve basically taken over." Researchers issue warning as harmful creatures spread across entire continent: 'We don't ...