Yellowstone is a dynamic geologic system—the one constant is change. This is demonstrated daily by hydrothermal activity ...

Pack in all of the fun to your vacation with this list of the best things to do in Yellowstone National Park! This incredible ...

If you don't get to see it, there are more than 500 active geysers located within Yellowstone National Park, including Old Faithful. Established in 1872, Yellowstone National Park was the world's ...

Learn more about the Norris Uplift Anomaly at Yellowstone National Park and how advanced monitoring systems helped researchers spot it again.

A surprise eruption that shot steam, water and dark-colored rock and dirt dozens of feet into the sky Tuesday sent people running for safety in Yellowstone National Park. The hydrothermal explosion ...

Scientists are monitoring a city of Chicago-sized swath of rising ground at the northern volcanic rim of the Yellowstone ...

A 17-year-old tourist visiting Lone Star Geyser in Yellowstone National Park suffered significant burns to his foot and ankle after breaking through the crust of the thermal pool. This marks the first ...

More than 4.76 million people visited the park last year compared to 4.74 million in 2024, according to the National Park Service’s statistics website.

Lassen Volcanic National Park, about a four-hour drive north of San Francisco, feels like a secret getaway.