Scientists say they used satellites and other technology to plumb the inner workings of a Bolivian volcano that last erupted 250,000 years ago.

Lithium that pooled in a volcanic caldera in the western United States had no way out, thanks to a lack of rivers.

Scientists in the United States have 'blown the lid off' the Yellowstone supervolcano's mysterious underground reservoir of ...

Uturuncu, a dormant volcano in Bolivia, appeared to be getting ready to erupt following earthquakes and "sombrero" shaped ...

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