Ash clouds are made of tiny particles that were lofted into the atmosphere from a volcanic eruption and can have a huge impact, even thousands of miles from the eruption.

Volcanic activity is increasing at Whakaari/White Island. Authorities have raised the volcanic alert level to 3. GeoNet ...

Scientists provided an update Thursday on the chances of an eruption of the Mount Spurr volcano in Alaska, a situation being ...

Scientists provided an update Thursday on the chances of an eruption of the Mount Spurr volcano in Alaska, a situation being ...

Nearly 300,000 Americans remain on alert as a massive volcano continues to show signs of unrest that began earlier this year.

Anchorage residents are not only preparing themselves for a possible eruption of the Mount Spurr volcano but also their pets.

Beneath the steaming geysers and bubbling mud pots of Yellowstone National Park lies one of the world's most closely watched volcanic systems. Now a team of geoscientists has uncovered new evidence ...

Beneath Yellowstone lies a magma reservoir, pulsing with molten and superheated rock and exsolved gases. Scientists have long ...

Mount Paektu, an active stratovolcano straddling the border of North Korea and China, is the highest peak on the Korean peninsula and lies at the heart of North Korea’s foundation myth.

Seismic activity persists at Mount Spurr, which scientists said could mean the Alaska volcano is poised for a possible ...

Photos show that comet C/2025 F2 (SWAN) experienced a "major eruption," causing it to become temporarily brighter. However, ...

When volcanoes like Alaska’s Mount Spurr erupt, the ash can damage people’s lungs, smother crops and kill animals, and the ...