If the theory is proven correct, the consequences could be enormous, spelling a much more risky, explosive future.

Volcanoes that dominate postcards and disaster movies are often the ones we can see, their peaks etched against the sky. Yet ...

— -- Scientists have known for decades that hidden under those impressive vistas at sites such as Death Valley and Yellowstone National Park are magma pools that under the right conditions can ...

Mount Shasta, a steep-sided Cascade Range stratovolcano in Northern California, looms above Little Glass Mountain, a thick obsidian flow erupted from the Medicine Lake shield volcano about 1,000 years ...

During the past decade, residents of Pasto, Colombia, and neighboring villages near Galeras, Colombia's most dangerous volcano, have been threatened with evacuation, but compliance varies. With each ...

The PHIVOLCS Volcano Alert Level Scheme is a guide to understanding the state of an active volcano, the current threat it ...

Costa Rica Park officials are hearing reports of companies using social media to offer illegal tours to Poás Volcano through unauthorized routes, despite the national park’s closure due to ongoing ...

The updated U.S. Geological Survey assessment finds that 161 U.S. volcanoes pose potential threats to American lives and property, eight fewer than in 2005. The eighteen very highest threat volcanoes ...

Scientists from Mexico’s National Autonomous University have created the first three-dimensional image of the Popocatépetl ...

When you think of the United States, images of sprawling cities and vast landscapes might come to mind, but not the hidden and ever-present geological threat: volcanoes. While you might associate ...