You would think that a spider with legs over a foot wide is the stuff of fiction or nightmares. No, these massive spiders ...

We unpack the complicated subject of dog breeding genetics and explore arguments against very selective breeding practices.

Have you ever heard the devastating story of Hachikō the dog? This heartbreaking tale is evidence of a dog's deep and lasting devotion.

When related animals produce offspring, the young can be affected by physical abnormalities and health problems. We explain why.

Learn which pets are most commonly hoarded and how unchecked breeding and mental health issues drive animal overcrowding.

Learn why sardines vanished, leaving tens of thousands of African penguins starving during their annual moult along South Africa’s coast.

Argentine ants compete with bumble bees for prized nectar sources. But the bees are fighting back. Find out how.

Anacondas achieved their massive size millions of years ago. Discover how anacondas stayed huge while other giant reptiles died out!

Motion-activated trail cameras are revealing hidden wildlife behavior, from snow-covered grizzly bears in the Yukon to rare and elusive species worldwide. Learn how these silent observers capture ...

Canyons are awe-inspiring natural features, shaped over millions of years by rivers, glaciers, wind, and shifting tectonic forces. Lucky for U.S. residents, American is home to many of these gorgeous ...

Scientists have discovered a colossal shark that lived 115 million years ago, long before Megalodon. Using rare fossilized vertebrae and modern imaging, researchers reconstructed this ancient apex ...

A dog drinking water may look like pure, uncoordinated chaos, but what looks like a disaster is actually a masterclass in physics.