And every volcanic eruption releases greenhouse gases into the atmosphere, triggering a gnarly environmental feedback loop.

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, ...

Hundreds of small earthquakes have rattled Mount Rainier this week in the largest swarm of tremors in more than a decade.

Glacier retreat is accelerating volcanic eruption risks worldwide. Scientists highlight alarming possibilities in Antarctica ...

Mount Rainier was experiencing "the most significant seismic activity" at the volcano in more than 15 years as an "earthquake ...