Some of Yellowstone’s past eruptions may be hiding, which makes it difficult to answer how many eruptions occurred in the ...

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

Yellowstone is a dynamic geologic system—the one constant is change. This is demonstrated daily by hydrothermal activity manifested in geysers, hot springs, mud pots, and other thermal features, but e ...

Thundereggs look like regular rocks from the outside, but contain intricate and colorful mineral patterns inside — often made ...

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

America’s public lands belong to all of us. They are part of our shared heritage, protected for recreation, wildlife, clean water and future generations. Today, that legacy faces a coordinated and ...

The park’s “preferred alternative” would entail construction of a 5-mile stretch of highway that avoids much of the canyon ...

In July 2025, an area on the north rim of the Yellowstone caldera began to uplift slightly. This area also experienced uplift ...

Yellowstone National Park officials are asking for public input to weigh plans to rebuild the park’s North Entrance Road, a ...

Soil, geology and archaeological sites had to be analyzed, as well as impacts to wildlife, as the National Park Service wrote ...

Happy New Year! Let's go back and take a look at the top five geologic stories for Yellowstone in 2025. 5️⃣ RUMORS: No, ...

Ever since that time, dirty eruptions reaching up to 30 to 40 feet in height have occurred sporadically from the pool. Biscuit Basin has been closed to visitors due to the damage and the potential for ...