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 ...

Yellowstone National Park wildlife is not fleeing the park, despite viral videos suggesting a mass migration due to a possible Yellowstone supervolcano eruption. The National Park Service (NPS) has ...

A hydrothermal explosion has created a 13-foot blue water feature in Yellowstone National Park. The explosion appears to have ...

The National Parks Service has confirmed that wildlife is not leaving Yellowstone National Park in "large numbers" after an ...

Fresh off of a year that saw Yellowstone and Glacier national parks notch their second-highest visitation years ever, the two ...

A massive bison stopped cars on a road inside Yellowstone National Park in what Cindy Shaffer described as an “awesome one-man bison jam." ...