Glacier National Park and Yellowstone National Park both welcomed the second-highest number of visitors on record last year.

In Yellowstone, 2024 will probably be remembered as the year of the hydrothermal explosion ... with water cascading into Nuphar Lake since 2021–2022 and causing the lake to change to a blue ...

An expert from the Yellowstone Volcano Observatory has revealed some of the most likely impacts of an eruption in the famed national park.

Glacier’s biggest year to date was 2017 when 3.3 million people toured the park. Nine out of the last 10 years have seen visitation of more than 3 million people in Grand Teton. In Yellowstone ...

A magnitude 3.9 earthquake was measured near Norris Geyser Basin in Yellowstone National Park on Tuesday evening. It's the ...