At a glance, alligators and crocodiles look nearly identical. Both are massive reptiles with armored skin, powerful jaws and a prehistoric lineage that ...

NATURE presents the compelling story of a remarkable denizen of the West in Cloud: Wild Stallion of the Rockies. America’s wild horses lead an exhilarating but perilous existence. The climate can be ...

NATURE’s The Venom Cure reveals poisonous creatures that may one day save your life. You know those beautiful little tropical frogs with electric blue or orange markings? A single touch of their skin ...

The original five members of the Druid Peak pack — #38 and #39, the alpha male and female, and female pups #40, #41, and #42 — were captured near Fort St. John in British Columbia and relocated to ...

Frogs have been living on this planet for more than 250 million years, and over the centuries, evolved into some of the most wondrous and diverse creatures on earth. Today, however, all their ...

The Alps are the highest and most extensive mountain range system that lie in south-central Europe. The mountain range stretches approximately 750 miles (1,200 kilometers) in a crescent shape across ...

There are 18 species of penguins that live almost exclusively in the Southern Hemisphere, with only one species, the Galápagos penguin, found north of the Equator. Penguins vary in size and weight ...

After weeks of protecting her brood, a spider mother makes the ultimate sacrifice, offering her own body as food.

Filming "Parenthood" meant working with local trackers, scientists, and communities across the globe — from the Babongo people in Central Africa to conservationists in Patagonia.

Elephants, the largest land animals on the planet, are among the most exuberantly expressive of creatures. Joy, anger, grief, compassion, love; the finest emotions reside within these hulking masses.

The American Quarter Horse was first celebrated for quick bursts of speed, up to 55 mph. It is consistently the fastest horse in the world in the quarter-mile. - [Narrator] The American Quarter Horse ...