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

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 ...

Giant sequoias are the largest trees on Earth. They can grow for more than 3,000 years. But without fire, they cannot reproduce. Giant sequoias are the largest trees on Earth. They can grow for more ...

There are two species of elephant seals: northern elephant seals (Mirounga angustirostris) and southern and southern elephant seals (Mirounga leonina). Elephant seals are the largest extant ...

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 ...

In 1893, a bounty hunter named Ernest Thompson Seton journeyed to the untamed canyons of New Mexico on a mission to kill a dangerous outlaw. Feared by ranchers throughout the region, the outlaw wasn’t ...

When the gray wolf was eradicated from Yellowstone National Park in the 1920s, more was lost than just the noble and fascinating predator. The park’s entire ecosystem changed. Now, nearly a dozen ...

Kangaroo: a marsupial from the family Macropodidae. Kangaroos belong to the Macropodidae family, which means ‘big foot’ in Latin. This is in reference to the species’ unusually large hind feet. The ...

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

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 ...

Ocelots are similar in size to bobcats. Female ocelots weigh 14.5 to 25 pounds, while male ocelots are heavier, weighing 15 to 34 pounds. Ocelots are typically 29 to 39 inches in length, with males ...

Eels can be found all over the globe, in fresh and salt water ecosystems alike. But today, risk of over-fishing and the presence of dams and other obstacles that prevent eels from reaching their ...