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

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

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

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

Why are the animals leaving Yellowstone National Park? Videos featuring mountain lions, bears and more go viral after the ...

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

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.

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

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

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