Colorado is planning a return of the North American wolverine to the state’s highest, snowiest mountains. Through a recently ...

Venom is one of nature’s most effective (and fascinating) survival tools. Across the world, a wide range of animals have ...

Did you know there's an insect that naturally blends in with its surroundings? Learn all about the rare leaf insect's ...

Turtles today are often slow-moving, modestly sized creatures, but their ancient relatives were quite different. Long before ...

There are nearly 90 unique tarantula species in Peru, ranging from nine-inch giants to tarantulas named after Star Wars ...

Cows are literally designed to eat for hours, which can actually get them in trouble. The rumen, or a cow’s first stomach (and why they’re called ruminators), is a fermentation system that thrives on ...

This is a poignant scene that captures what are probably the final months of this magnificent lion’s life. We learn from the ...

There are many types of penguins, a family of flightless aquatic birds that live primarily in the Southern Hemisphere. Read ...

As elephants age in zoos and sanctuaries, acupuncture is joining veterinary care to manage pain, mobility, digestion, and ...

Hedgehogs curl into a tight ball using specialized muscles that hide their soft parts and present thousands of sharp spines ...

Meet the roly-poly pill bug, a backyard “bug” that is actually a crustacean cousin of shrimp and crabs living on dry land.

The U.S. is taking drastic measures to end animal testing, but the move is raising questions and controversy in the medical ...