An iconic apex predator appeared through thick fog like an apparition and cautiously watched a photographer in Yellowstone ...

A new study highlights how life possibly evolved prior to and during the rise of Earth’s oxygenated atmosphere.

Park City Institute will present "National Geographic Live! Wild Wolves of Yellowstone" on Friday with Explorer Doug Smith.

A pack of wolves took down a bison in Yellowstone National Park and attracted a crowd of people — that the rest of the bison herd then charged into.

The iconic landscape of Yellowstone National Park has witnessed an increase in forest cover, thanks to this wild animal.

Grand Teton National Park is more than just breathtaking landscapes—it’s home to an incredible variety of hidden wildlife! From elusive predators to rare species, discover the animals that make this ...

Some employees in the National Park Service and other federal agencies who manage public lands in the Greater Yellowstone ...

Footage shows the normally elusive mountain lions traversing a snow-covered ridge as if out for a Sunday stroll.

K.O. Strohbehn has experienced the late in the day, heavy, commuter/business/car traffic on Snow King Avenue near Flat Creek ...

A heart-stopping moment in which a California 'touron' was nearly gored by an elk was caught on camera.

The U.S. owns 250 million acres of public lands, and it has the authority to sell or lease limited parcels for housing.

From the national parks of the Rocky Mountains to the music history of Nashville, these American adventures are calling ...