Last summer, a group of sport fishermen was casting lines off the coast of Tortuguero National Park in Costa Rica when one of their hooks caught a creature the likes of which no one had ever seen ...

Descendants of theme-park escapees, a population of rhesus macaques in a Florida state park may soon double in size—a recipe ...

The color change, driven by hormones, seems aimed at preventing males from accidentally mating with each other.

National Geographic helped the famous conservationist get her start—and followed her chimpanzee research and advocacy for wildlife in a career that forever changed how we understand animal behavior.

They enthralled sailors. They inspired Darwin. Then, by the mid 19th-century, the iconic Floreana tortoise was gone. Here’s how a group of persistent scientists unlocked the secrets to bringing them ...

The Red Sea was thought to host ecosystems resilient to warming waters, but a 2023 heatwave proves otherwise. A juvenile Red Sea anemonefish, also called a clownfish, looks out from between the ...

NEW YORK -- Bertie Gregory is a man who nurtured his interest in the natural world as a teenager and then developed a special talent for sharing his enthusiasm on TV. Now he travels the world for ...

National Geographic photographer Brian Skerry has logged more than 10,000 hours under water—but he's never before snapped a photo of a great white in Maine before. A juvenile great white shark, about ...

Although sharks aren’t the mindless man-eaters they are sometimes made out to be, experts know that staying safe involves skill, knowledge, and practice. Host Bertie Gregory filming a ragged tooth ...