A gigantic bulge in the north rim of the Yellowstone caldera is the latest sign of volcanic activity in the national park.

Unfortunately, it's not an isolated incident. Onlooker sparks outrage with photos of tourist's thoughtless behavior at US ...

Thanks to some videos -- at least one uses AI -- there have been questions about whether a bunch of the animals living in Yellowstone National Park are leaving. Why would the wildlife leave? The ...

Add Yahoo as a preferred source to see more of our stories on Google. A National Park Service (NPS) representative has debunked videos circulating online that falsely claim animals are fleeing ...

Wolf 1478F could have become the Junction Butte pack alpha, experts say.

Idaho police on Friday released the names of six Chinese and Italian tourists killed when a pickup truck collided with their van in a fiery crash near Yellowstone National Park earlier this month.

A grizzly bear that Wyoming wildlife officials said was continuously attacking cattle was captured and relocated to a location near Yellowstone National Park last week. According to a press release ...

A bison was gruesomely boiled to death in a Yellowstone National Park hot spring last week — as tourists watched in horror. The buffalo met its ghastly end when it apparently stumbled into the ...

A new study shows that interactions between wolves and cougars in Yellowstone National Park are driven by wolves stealing ...

A mom and her three cubs ended up on a paved park road. — -- A trip to Yellowstone National Park took a terrifying turn for tourists who were chased by a family of black bears. A black bear and ...