The National Park Service is clearing up any misconceptions on whether wildlife is migrating away from Yellowstone National ...

The blue water spring is about 13 feet in diameter and 1 foot below the rim, USGS said. The water in the pool was measured at ...

More geological changes are occurring at Yellowstone National Park, as another hole forms in one of the park's basins. The ...

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

Christmas came early for geologists at Yellowstone National Park this April when a regularly scheduled survey resulted in ...

Yellowstone National Park announced Monday the discovery of a new 13-foot baby blue hot spring. It emerged with little ...

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

Learn about the new hydrothermal feature that appeared last winter in Yellowstone National Park, possibly on Christmas Day.

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

A supervolcano is located at Yellowstone National Park. Here's what happens to North America and the rest of the world if ...

"The discovery emphasizes the dynamic nature of Yellowstone's thermal activity," Yellowstone Volcano Observatory's Mike ...