"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 ...

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

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

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

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.

The search for a Winona man who went missing in Yellowstone National Park in September will resume on Sunday, his father ...

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

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

One of Yellowstone National Park’s most beloved grizzly bears, known to fans as “Raspberry,” has not been seen in nearly two ...

Christmas came early for geologists at Yellowstone National Park this April when a regularly scheduled survey resulted in finding a new thermal feature at one of the most famous national parks.

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