Smoke billows from the mouth of Mt. Shasta like a thunderous cough. Within moments, clear skies turn gray, and the sun vanishes behind thick, shifting layers of volcanic gas and ash. Visitors snap ...

Is it getting ready to rock? Mount Saint Helens in Washington, which notoriously and cataclysmically erupted in 1980 and had its ash reach Montana, has been showing major signs of constant activity ...

New research offers clues as to why Mount St. Helens is one of the most explosive volcanoes in the Cascade range and why it stands apart from the chain of other Cascade volcanoes. Scientists from the ...

Volcanoes are nature's most dramatic rocks, and while their eruptions can be awe-inspiring, they also pose serious threats to nearby communities and global climates. Mount Vesuvius is notorious for ...

One of the most dangerous volcanoes in the U.S. appears to be rumbling to life—but luckily, an eruption does not appear to be imminent. Mount St Helens has seen an uptick in earthquakes since mid-July ...

The above image (from Rocky Kolberg) shows the eruption from 35 miles away! Here’s where the ash from Mt. St. Helens accumulated. Three days later on May 21, the ash cloud was seen passing over West ...

Washington state’s Mount St. Helens erupted catastrophically in 1980, killing 57 people. That eruption sent ash soaring over 80,000 feet and raining down as far as 250 miles away. Mauna Loa is not ...

Mt. St. Helens and Yellowstone are two of the largest and most famous volcanoes in the United States. Learn how they compare in this fascinating video!

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Heavy rainfall, which is expected to increase in certain areas in the future, can make the damage caused by volcanic eruptions worse. According to research published in the journal Royal Society Open ...

The above image (from Rocky Kolberg) shows the eruption from 35 miles away! Here’s where the ash from Mt. St. Helens accumulated. Three days later on May 21, the ash cloud was seen passing over West ...