Nature | PBS

A lightning strike ignites a fire that quickly engulfs the mountain in thick smoke, destroying the eland's precious pasture.

NATURE presents a breathtaking look at wintertime deep within Yellowstone, America's first national park.

Join the NATURE Community to add your own wildlife photos to our website!

Tom Murphy must make camp before dark. He's carrying everything he needs to survive -- plus his camera gear.

After watching the brown bears on the coast of Alaska play the courtship game for over a month, Chris begins to think that people have it easy.

Under the snow, insulated from the wind and cold, is a network of tunnels inhabited by mice and voles. This red fox can't see them, but he can hear them moving.

Select an animal name on this interactive map to see where each animal can be found within Yellowstone National Park.

This grizzly bear is not sleeping. She's been in a state of hibernation since November.

It seems there is a great deal we can learn from our fellow creatures. Watch the full episode of NATURE's Wisdom of the Wild online.

Cocos Island, a designated World Heritage Site, lies directly in the path of powerful ocean currents that often collide with the island, churning the waters into an undersea storm. Welcome to Shark Mountain.

From cushion stars to the red-lipped batfish, explore the undersea creatures of Cocos Island in photos.

Winter is here! Check out these wintry photos submitted by the NATURE Community. Then find out how to add your own.

While they have long served as the nefarious subject of stories told by seafaring captains and Hollywood screenwriters, researchers say sharks don't deserve their nasty reputation.