A visual spectacle was nearly upstaged when a small tornado-like vortex spun alongside the lava during an eruption of ...

Scientists say the twister formed when superheated air from the lava mixed with cooler air above it, sending ash, dust and ...

YELLOWSTONE, Wyoming (KIFI) – A new crater has made its debut in Yellowstone National Park, filled with near-boiling water and caused by pressure changes just below the surface in Biscuit Basin.

Continue scrolling for 50 vintage photos that show the beauty of America's national parks. Benjamin West Kilburn enjoys a ...

A slow, eastward-moving current of hot rock deep within Earth may be the primary force feeding Yellowstone’s volcanic system, according to a study published in Science on April 9, 2026. Researchers at ...

Officials reported a hydrothermal explosion at Yellowstone’s Biscuit Basin, forming new vents and a boiling pool with no ...

Scientists have uncovered a new explanation for what powers Yellowstone and other supervolcanoes. Instead of a deep plume rising from near Earth’s core, a broad “mantle wind” may push hot rock beneath ...

Yellowstone National Park geologists have confirmed that a small hydrothermal explosion that occurred earlier this month ...

According to the Yellowstone Volcano Observatory, hydrothermal explosions are “violent and dramatic events resulting in the rapid ejection of boiling water, steam, mud, and rock fragments.” These ...

Two years after a dramatic explosion in Yellowstone's Biscuit Basin, a new geyser shot up near Black Diamond Pool.

The Yellowstone Volcano Observatory confirmed Tuesday that a hydrothermal explosion occurred in Yellowstone's Biscuit Basin ...

A volcano that slept for more than 100,000 years before erupting is blowing up our understanding of when volcanoes should be defined as active or extinct. Volcanologists officially classify sleeping ...