Written by Mark Stelten, deputy scientist-in-charge at the Yellowstone Volcano Observatory, the post analyzes the v olcano's ...

Shortly after Castle Geyser, turn right toward Crested Pool and Sawmill Geyser. Afterward, take another right toward Geyser ...

A geyser in Yellowstone National Park erupted in a hydrothermal explosion right next to tourists on a boardwalk in the park, video shows. The boardwalk was destroyed during the July 23 explosion ...

Yellowstone National Park Smithsonian American Art Museum Landscape Study Yellowstone National Park Smithsonian American Art Museum Castle Geyser Cone, Yellowstone National Park Smithsonian American ...

If you really enjoyed Old Faithful's eruption and would like to see more, know that Riverside, Daisy, Grand and Castle ... Geyser Basin is about 32 miles southeast of the west entrance of Yellowstone.

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 ...

West Thumb Geyser Basin, along the southwest shore of West Thumb Basin in western Yellowstone Lake, is one of Yellowstone’s ...

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 ...