Millions of people head to Yellowstone National Park each year, making traffic through popular areas a major problem for the ...

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

In a region full of great trout water, Yellowstone remains the standard.

This less-visited Wyoming wilderness area, known as 'The other volcanic range' in Yellowstone, is known for stunning mountain ...

Yellowstone National Park is one of the most popular and fascinating parks in the U.S. Naturally, there are quite a few ...

Several major changes are coming to U.S. national parks in 2026 to mark America's 250th anniversary. There will be more "patriotic fee-free days" for U.S. residents, replacing some previous free days ...

The acting director of the National Park Service believes 2025 was a “ass-kicking year.” Advocates for what polls say is the most popular federal agency might use the same term, but with a far ...

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

As of Jan. 1, visitors to the United States will have to pay $100 each to enter some of the country’s most popular national parks — on top of existing entry fees. U.S. Department of the Interior ...