Yellowstone National Park's nearly 3,500 square miles seep slightly across state borders into Montana and Idaho, but its major attractions are contained in the northwest corner of Wyoming.

Yellowstone is at the top of the list as one of the most essential American experiences you should try when visiting the US. It’s no wonder why the national park is one of the most visited.

Yellowstone National Park is a popular destination for geology field trips. It’s easy to see why—the dynamic landscape ...

New research shows that dead trees in Yellowstone National Park may pose a greater fire danger than previously suspected.

A number of studies have given us fascinating images showing Yellowstone’s magma reservoirs. But how are those images created ...

Though the volcano’s magma chambers could hold enough material for a caldera-forming event, none of them are likely to erupt ...

Yellowstone's geothermal wonders hide an active volcanic system. Recent studies suggest the northeastern magma body could ...

The chief scientist of the Yellowstone Volcano Observatory, Dr. Michael Poland, says he's not worried about an imminent eruption of the volcano under Yellowstone National Park.