Volcanoes across several US states have recently become active, while no immediate danger is reported, experts remain watchful as seismic activity continues.

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

Learn more about BLOBS, mantel plumes 1,500 miles into Earth's mantel that contribute to massive volcanic eruptions on the ...

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