“Geologists have mapped more than 100 major hydrothermal areas in Yellowstone National Park, and there are many more than 10,000 hydrothermal features within its boundaries,” scientists said.

“Geologists have mapped more than 100 major hydrothermal areas in Yellowstone National Park, and there are many more than 10,000 hydrothermal features within its boundaries,” scientists said.

“Geologists have mapped more than 100 major hydrothermal areas in Yellowstone National Park, and there are many more than 10,000 hydrothermal features within its boundaries,” scientists said.

A new light blue hot spring has formed in Yellowstone’s Norris Geyser Basin after months of small hydrothermal explosions.

“Geologists have mapped more than 100 major hydrothermal areas in Yellowstone National Park, and there are many more than 10,000 hydrothermal features within its boundaries,” scientists said.

A 13-foot-wide hot pool formed over the winter in one of Yellowstone’s most active areas, and it could offer new insights into the park's ever-changing geothermal systems.

Last April, geologists conducting routine maintenance at temperature logging stations in Yellowstone National Park’s Norris ...

Located in the Yellowstone’s Porcelain Basin, the new thermal feature is believed to have appeared on Christmas Day ...

The Geology of Yellowstone Map contains nearly 100 distinct layers that users can toggle on and off to show and hide. Many of the map layers, including several bedrock and surficial geologic maps ...

A new hydrothermal feature that popped up inside Yellowstone National Park last summer has scientists wondering if it will make another appearance this summer. Scientists first noticed it while ...

Most of Yellowstone's more than 10,000 thermal features are clustered together into about 120 distinct thermal areas (shown in red). Lakes are blue.

It’s some explosive news in the geologic community. Researchers discovered two new super-eruptions from the Yellowstone caldera, they announced in a study published June 1. The more recent of… ...