Thirty years after wolves were brought back from near extinction in the U.S. Rocky Mountains, the state of Idaho is back in ...

Wolves in Yellowstone National Park will sometimes test their predation skills on lone adult bison. But there can be painful ...

Yellowstone National Park staff reported Thursday that earlier this month, an adult female black bear was lethally removed after a series of “concerning incidents” involving a backcountry campsite in ...

Many American schoolchildren grow up learning that Yellowstone was the world’s first national park. But across the globe in Mongolia, just south of the capital, Ulaanbaatar, a mountain holds a claim ...

Though it's still only a national monument, this incredible "Wonderland of Rocks" in Arizona has a strong claim for being America's next national park ...