Although millions of tourists visit the Yellowstone National Park each year, the ground beneath their feet hides a secret that often goes unnoticed unless the visitor is an eagle-eyed scientist. It ...

A caldera—like the one at Yellowstone Park spanning parts of Wyoming, Idaho and Montana—is a large depression or hollow formed when a volcano erupts and the magma chamber beneath it empties, leading ...

The Grand Prismatic hot spring in Yellowstone National Park is sourced from a magma chamber beneath it. The bright colours are produced by hydrophilic bacteria in the mineral-rich water. Yellowstone, ...

Will Yellowstone erupt or are we blowing things out of proportion? We may have underestimated Yellowstone's potential to blow its stack in the future. Chinese scientists have made a disconcerting find ...

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