Yellowstone is a dynamic geologic system—the one constant is change. This is demonstrated daily by hydrothermal activity ...

The world’s tallest geyser — Steamboat Geyser in Yellowstone National Park — sprang to life this week for the first time in several months. It reportedly began erupting shortly after 8:30 a.m. on ...

Crews hoist a car that ran off the road into Semi-Centennial Geyser in Yellowstone National Park on July 12. The car went off the roadway and crashed into the geyser. All five occupants of the car ...

Geyser watchers and park visitors are amused by Steamboat’s spectacular eruptions that can shoot water, steam, mud, and rock 300 feet or more into the air. The world’s tallest geyser — Steamboat ...