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 ...