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

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

Scholars and schoolchildren alike have generally classified animals by the foods they eat: carnivores eat meat; browsers ...

However, this was not a video of Yellowstone mountain lions migrating south to Utah. There was no evidence that the park's ...

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

A viral social media post claimed grizzly bears were fleeing Yellowstone National Park. The video garnered 6 million views on ...

A video of bears in a South Dakota-based wildlife park was misleadingly shared as a video of bears leaving Yellowstone in ...

Get ready for a little Christmas in July: There’s a new baby blue pool in Yellowstone National Park, and science suggests it started forming on the winter holiday.

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

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

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

Experts can't verify for certain if a grizzly carcass recently found in Yellowstone is that of well-known "Raspberry," who ...