For a pilot, the first signs of flying into an ash cloud can include sudden darkness, fluctuating airspeed, and landing ...

The historic Mount Tambora volcanic eruption spewed so much ash and debris that it triggered a “year without summer” and the ...

The historic Mount Tambora volcanic eruption spewed so much ash and debris that it triggered a "year without summer" and the apocalypse seemed nigh -- an apt parallel to our ...

New research shows that elevation changes and earthquakes in Italy's Campi Flegrei volcanic area are caused by rising pressure in a geothermal reservoir -- not magma or its gases, as commonly thought.

June storm clouds don’t often form before early afternoon, but this one did. It looked like a doozy, too, towering and dark, ...

A future eruption of the Yellowstone supervolcano or similar mega-volcano could bury large parts of the U.S. in ash, disrupt ...

After visiting 21 cities and villages in Italy, there are a few places I wouldn't go back to. However, I'd gladly return to ...

Scientists have warned that the eruption in Anchorage, Alaska could happen within the next couple of weeks and cause aviation ...

The Philippine Institute of Volcanology and Seismology (PHIVOLCS) warned of increased volcanic activities after Mount Bulusan ...

Using 3D modeling, researchers at John Day Fossil Beds National Monument are learning about the daily lives of ancient ...