One hundred years ago, on June 23, 1925, a mountainside in the Gros Ventre Range in northwest Wyoming collapsed, unleashing ...

Nestled in the eastern part of Idaho near Yellowstone, Harriman State Park sits within what locals affectionately call “The Golden Triangle” – a wildlife paradise where moose, elk, and trumpeter swans ...

This is the spectacular moment the Black Diamond Pool erupts in the Yellowstone National Park. The sudden hydrothermal burst from the steaming spring was captured on cameras on May 31 at 8:39 pm ...

This is an aerial view of Biscuit Basin in Yellowstone National Park showing debris deposited by the July 23, 2024, hydrothermal explosion from Black Diamond Pool. Major features are labeled.

Before the hotspot that created Yellowstone National Park’s incredible geysers, fumaroles and mud pots arrived in what is now northwestern Wyoming, it made a rowdy passage through southern Idaho.

United States Geological Survey (USGS) scientist Mark Stelton (left) and Kenneth Sims, a UW professor of geology and geophysics and a member of the USGS Yellowstone Volcano Observatory, examine a ...

A 'secret lid' keeps the volcano in check at Yellowstone National Park, according to new research from Rice University. The cap allows the supervolcano to vent instead of building up pressure.

Inside Yellowstone's fiery heart: Researchers map volatile-rich cap, offering clues ... That changed after Schmandt conducted a high-resolution seismic survey in the northeastern part of the caldera.

New hydrothermal feature pops up in Yellowstone National Park during overactive summer season, scientists say. See photos of the find.

The column turned out to be steam — and not just any steam. It was coming from a new thermal vent, according to a recent blog post by the U.S. Geological Survey’s Yellowstone Volcano ...