A big, messy surprise greeted Yellowstone National Park early Saturday morning, just as winter officially began. At around ...

Mud flew, rocks bounced, and geologists cheered (quietly, from a safe distance) this past Saturday morning when Black Diamond ...

Footage was shared from the Black Diamond Pool in Yellowstone National Park, which showed a muddy eruption bubbling out from ...

Onlookers at one of Yellowstone National Park's most popular sites watched a large bison take its final steps into a scalding hot spring and die in a horrifying reminder of what can happen away from ...

A fall snowstorm blew through Yellowstone National Park late Thursday and early Friday, creating a winter wonderland for visitors who were treated to shimmering white landscapes, close encounters with ...

Black Diamond Pool eruption provides dramatic footage after being captured on official camera ...

Ever been mesmerized by the swirling colors of Grand Prismatic Spring and wondered what fuels that otherworldly boil? It turns out that beneath the wild expanse of Yellowstone National Park lies one ...

See Yellowstone National Park’s most colorful hot springs from a great vantage point when you hike the Grand Prismatic Spring Overlook Trail. This easy trail takes hikers across the Firehole River ...