Welcome to Yellowstone National Park, the birthplace of America’s national parks and a living testament to nature's fiercest ...

Bear's guide warned him not to try to kill a griz with his bow. But he wanted to kill it his own way — or not at all ...

The U.S. Fish & Wildlife Service listed grizzly bears in the lower 48 states as threatened under the Endangered Species Act ...

One of the fun facts about animals that look innocent, like the platypus, is their strange defense mechanisms. The heels of ...