Volcanoes are rumbling as scientists monitor earthquakes at Washington's Mount Rainier and Alaska's Iliamna volcano.

The United States Geological Survey (USGS) shows lava fountains shooting up high in the latest episode of an ongoing eruption ...

From Mount St Helens in Washington to the Mauna Loa in Hawaii, these structures have a complicated history of disaster and beauty.

Yellowstone National Park, renowned for its geothermal features and volcanic history, is beginning to show signs of renewed ...

Discover more about Indonesia's volcanic alert system and the systems used around the world to help keep people as safe as ...

A volcano in Alaska that last erupted in 1867 is displaying signs of rumbling. Located roughly 140 miles southwest of Anchorage, Iliamna has been dormant for over a century. But on June 15, the Alaska ...

The U.S. Geological Survey said it and other agencies were monitoring the situation and would issue additional alerts "as needed." ...

The blue water spring is about 13 feet in diameter and 1 foot below the rim, USGS said. The water in the pool was measured at ...

Recent volcanic activity across the Pacific Ring of Fire has raised alarms among scientists and volcanologists, with several ...

The RattleCam is back! For the second year in a row, California Polytechnic State University and Dickinson College are live ...

Social media captures of droves of animals fleeing Yellowstone National Park have sparked a frenzy of worry, but officials say it's 'misinformation' ...