
Nature
Efforts to rescue the thousands of household pets left homeless by Hurricane Katrina.

Efforts to rescue the thousands of household pets left homeless by Hurricane Katrina.

Millions of years ago, the advance and retreat of ice shaped the mountains, coastlines, gorges and inland waterways of Ireland.

Eagles, pumas, sandhill cranes and other creatures seek sustenance from the Colorado River and its environs.

The human and natural histories of the Grand Tetons and Jackson Hole, Wyo., interlink.

An active volcano Hawaii's big island has created land and consumed homes.

Natural wonders of Hawaii include volcanic eruptions, molten lava, monstrous waves and humpbacked whales.

Uncover the activity, both human and natural, that occurs on the slopes of volcanoes.

Explore the underwater world of Antarctica, including coral, sponges, penguins and more.

NATURE visits one of the world's most spectacular aquariums.

The relationship between humans and dolphins is examined, including efforts to communicate and the effect of captivity.

The first comprehensive film chronicle of the jaguar.

Owners relate tales of feline courage, stamina, resourcefulness and loyalty.

Trained dogs aid the disabled, do dangerous military work, find humans buried by avalanches.

A variety of animal lovers and experts explore why we are so attached to cats and dogs.

Dog trainers adopt unwanted dogs from shelters and train them to herd sheep and sniff bombs.

The Druids are the first wolves reintroduced into Yellowstone National Park.

In Yellowstone, size and power square off against speed and teamwork: grizzly vs. wolf.

The rescue of the grizzly population of Yellowstone and ensuing social problems.

Ecologist Chris Morgan camps among the largest concentration of grizzles in the world.

Ecologist Chris Morgan explores the world of black bears.