A gigantic bulge in the north rim of the Yellowstone caldera is the latest sign of volcanic activity in the national park.

Seeing a volcano with my own eyes is a total bucket list dream, but seeing a volcano that's experiencing active volcanic ...

Scientists predict imminent lava fountaining at Kīlauea's summit, with seismic activity and observatory monitoring indicating ...

Scientists are monitoring a city of Chicago-sized swath of rising ground at the northern volcanic rim of the Yellowstone ...

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

Effusive eruption at Mayon Volcano in Albay continues, and is now on its 22nd straight day. In its summary of 24-hour ...

Recent activity indicates a projected eruption between Sunday and Wednesday, which would mark its 40th eruptive episode since Dec. 23, 2024.

The Hawaii Police Department reports that Highway 11 is closed in both directions in Puna and Ka‘u District near the ...

Hawaii's Kilauea volcano produces significant volcanic gas during the latest eruption. Officials are monitoring air quality ...

Add Yahoo as a preferred source to see more of our stories on Google. When you think of the United States, images of sprawling cities and vast landscapes might come to mind, but not the hidden and ...

Lassen Volcanic National Park, about a four-hour drive north of San Francisco, feels like a secret getaway.