A video taken in Yellowstone National Park shows a lone female wolf competing with two grizzly bears for the rights to a ...

At the Grizzly and Wolf Discovery Center in West Yellowstone, visitors will soon have the opportunity to check out a ...

For decades, biologists have known that grizzly bears climb Greater Yellowstone’s highest mountains to gorge on one of the bears’ more surprising food sources: the army cutworm moth. Now researchers ...