Yellowstone National Park, known for its stunning landscapes and geothermal features, is sitting atop one of the most powerful supervolcanoes on Earth. The caldera, stretching 50 by 70 kilometers, ...

Mantle plumes were the implicit link in previous studies relating BLOBS to giant volcanic eruptions. Their shape is a bit ...

Giant, large-scale eruptions can have more serious impacts. One such event contributed to the demise of the dinosaurs 66 ...

Compared with volcano eruptions and earthquakes, hydrothermal explosions are “an underappreciated geologic hazard,” said ...

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, ...

Experts are warning that hundreds of dormant volcanoes around the world will likely become more active and erupt thanks to ...

Sitting in an old-growth spruce fir forest, Doug Smith says he can see first-hand the impact of reintroducing wolves on the larger ecosystem of Yellowstone National Park. Long before Yellowstone ...

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

Modern-day Missoula is outdoorsy, artistic and musical, with university roots that bring energy to its downtown.