Recent volcanic activity across the Pacific Ring of Fire has raised alarms among scientists and volcanologists, with several volcanoes experiencing heightened eruptions and seismic tremors. The Ring ...

Pillars of hot rock appear to connect continental-size moving blobs at the bottom of Earth's mantle to giant volcanic eruptions at its surface.

Scientists in Australia have identified a possible cause of gigantic volcanic eruptions - mysterious 'blobs' about 1,200 ...

The U.S. Geological Survey Cascades Volcano Observatory said the swarm began early Tuesday at the 14,410-foot volcano near ...