A 13-foot-wide hot pool formed over the winter in one of Yellowstone’s most active areas, and it could offer new insights ...

Marine geologist Jenny and her team uncovered one of the most astonishing volcanic discoveries in modern history—the Apolaki Caldera. Hidden beneath the Philippine Sea, this colossal supervolcano ...

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

Scientists are warning that glaciers melting due to global warming could trigger volcanic eruptions around the world.

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

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.

Hundreds of earthquakes have been detected at Mount Rainier so far Tuesday morning in the largest such swarm at the active stratovolcano since 2009, according to the U.S. Geological Survey.

In geology, even small layers can tell big stories. But figuring out the origins of such small layers can be a challenge, ...

Sitting in an old-growth spruce fir forest, Doug Smith says he can see first-hand the impact of reintroducing wolves on the ...

Ain’t no mountain high enough to keep tourists from getting to you at Great Smoky Mountains National Park, the most popular ...

Yellowstone’s Magma Reservoir Reveals Insights Into Future Volcanic Activity Learn how the boundaries of the magma chamber beneath Yellowstone have been located, and discover how these boundaries hint ...