Learn more about the past eruptions at Yellowstone National Park and how each new eruption displaced evidence of the past.

Volcanic eruptions remain one of Earth’s most dramatic natural phenomena, characterised by explosive discharges of ash, gas and pyroclastic materials that play a critical role in shaping the ...

In a dramatic, multi-staged eruption, the sun has revealed new clues that could help scientists solve the long-standing mystery of what causes the sun's powerful and unpredictable eruptions.

When you think of a Yellowstone eruption, you probably picture a massive, caldera-forming explosion. But new research is shifting that focus, revealing that the supervolcano's most recent known ...

Volcanic ash samples collected from a variety of recent eruptions were studied, using petrography, chemical analyses, and scanning electron microscopy to characterize each ash type and to relate ash ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Since Kilauea's hawt eruption action moved ...