Learn more about the past eruptions at Yellowstone National Park and how each new eruption displaced evidence of the past.

A grizzly spotted out wandering in Yellowstone National Park on Monday might be up from hibernation incredibly early or awake ...

Yellowstone National Park's restless ground has captured attention once more, as subtle shifts beneath its steaming landscapes signal the planet's inner workings. After years of stability, a zone ...

YELLOWSTONE NATIONAL PARK, Wyo. With a little help from the Internet, historians now have records from Yellowstone National Park s largest stagecoach operator, which provided an early form of mass ...

BOZEMAN — Imagine writing the first accurate description of the wonders of Yellowstone -- its dramatic waterfalls, geyser basins and hot springs -- yet being almost forgotten by history. That is what ...