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

A supervolcano is located at Yellowstone National Park. Here's what happens to North America and the rest of the world if ...

Marine geologist Jenny and her team uncovered one of the most astonishing volcanic discoveries in modern history—the Apolaki ...

The concept isn’t hypothetical. Tephra layers in Icelandic peat cores show that eruptions soared six-fold between 12,000 and ...

Heading to the Pacific Northwest, Skagit Valley in Washington state nabbed second spot. With low air pollution and over 6,000 ...

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

Yellowstone National Park's geological history is one of the most intensely studied in North America. A new geologic unit ...

Scientists are warning that glaciers melting due to global warming could trigger explosive and potentially deadly volcanic ...

From asteroids the size of football stadiums to nuclear war and man-made pandemics, it can seem as if humankind is in ...

An Alaskan volcano that has been inactive for more than 100 years is showing signs of rumbling, according to scientists.

People are also too eager to push their luck with wild animals, being chased and facing injury from bison, elk, and bears.