Visitors ran for safety at Yellowstone National Park after a hydrothermal explosion sent rock and steam spewing into the air north of the Old Faithful geyser Tuesday, park officials said. There were ...

Geologists say the underground blast at Yellowstone on July 23 was caused by a buildup of steam and hot water, which propelled rocks hundreds of feet into the air. Reading time 2 minutes Geological ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. This is a photograph of Twin Buttes in Lower Geyser Basin looking to the northwest, with Excelsior Geyser of Midway Geyser Basin ...

BILLINGS, Mont. (AP) — A surprise eruption of steam in a Yellowstone National Park geyser basin that sent people scrambling for safety as large rocks shot into the air has highlighted a little-known ...

The study of geyser dynamics and hydrothermal systems in national parks offers crucial insights into the interplay between subsurface thermal energy, fluid mechanics and geological structure. In these ...

Geyser Hill in Yellowstone National Park Geyser Hill is a must for any Yellowstone visitor. It begins at Old Faithful and is a short boardwalk loop trail with over 50 of the 500 geysers in Yellowstone ...