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

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

“Yellowstone is a dynamic geologic system – the one constant is change.” So wrote Michael Poland, a geophysicist with the US ...

The National Park Service tells PEOPLE animals are not leaving Yellowstone National Park in "large numbers," despite social media videos claiming otherwise After an influencer shared a string of ...

A female grizzly bear with her young cub in April 2016 near the Gibbon River in Yellowstone National Park. (Frank van Manen/USGS) Here we go again. The internet is abuzz with claims that animals are ...

Add Yahoo as a preferred source to see more of our stories on Google. Yellowstone National Park is one of the best places in the world to view wildlife and check out unique geology in the caldera of a ...

Did anyone else grow up in perpetual fear of any and all natural disasters? I don’t know if it was cartoons or what, but as a ...

Yellowstone National Park might be one of the most famous landmarks in all of the US, even for those living in other countries. It is popular in film and popular culture and is often revered for its ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from R. Greg Vaughan, research scientist ...

Snow-capped mountains, bubbling hot springs, and wildlife roaming freely — the allure of Yellowstone National Park and Grand Teton National Park is undeniable. We finally made it out west for a bucket ...