A herd of bison gorged on fresh green grass while roaming Mammoth, Wyoming on the northwest edge of Yellowstone National Park ...

If you live in Yellowstone National Park, you pretty much know what you signed up for, but this woman got delightful video of ...

Idaho State Police say seven people died after a pickup truck and a tour van collided in eastern Idaho near Yellowstone National Park.

Geoscientists have discovered a magma cap at Yellowstone National Park that is likely playing a critical role in preventing a ...

Fuller had been to Yellowstone once as a kid, and he remembered it as overcrowded and full of road construction. But a road ...

For many years, it has been known that one of the largest active volcanic systems in the world dwells beneath the surface of ...

Alert: Idaho police say 7 people are dead after pickup and tour van collide near Yellowstone National Park ...

Scientists have discovered a giant 'magma cap' under Yellowstone National Park. The cap is likely playing a critical role in ...

What we’ve found is that this reservoir hasn’t shut down — it’s been sitting there for a couple million years, but it’s still ...

Yellowstone recorded a record-high number of bear jams — 499 with grizzly bears and another 760 black bear gridlocks.

Located within parts of Wyoming, Montana, and Idaho, Yellowstone National Park truly deserves the honor of being designated ...

Cindy Shaffer was no stranger to herds of bison roaming the land at Yellowstone National Park, sharing footage of her close ...