Yellowstone is moving, but there's another supervolcano that is also showing signs that it's active in the U.S. It's cooling ...

Over millions of years, the Earth’s upper layers have performed a dance that has created mountains, volcanoes, continents, ridges and ocean trenches. Tectonic plates play a key role in this process.

Recent weeks have seen a noticeable uptick in volcanic activity across America, raising eyebrows...and a few heart rates. From underwater rumbles off the Oregon coast to lava flows in Hawaii and ...

At the risk of this blog becoming all volcanoes, all the time, I bring you... more volcanoes! Two of my favorite geobloggers wrote mustn't-miss posts on some of our Cascades volcanoes. They showcase ...

Mount Shasta, a steep-sided Cascade Range stratovolcano in Northern California, looms above Little Glass Mountain, a thick obsidian flow erupted from the Medicine Lake shield volcano about 1,000 years ...

Though it shares little with Italy beyond jaw-dropping beauty, Lake Atitlán—a glittery blue lake ringed by three ...

For centuries, glaciers have sat like frosty crowns atop slumbering volcanoes, keeping Earth’s fury tucked safely beneath layers of ice. But now, as climate change accelerates and glaciers retreat, ...

Nearly 1.5 million visitors to Hawaii Volcanoes National Park in 2024 spent $445 million in nearby communities, generating a total economic impact of $571 million, according to a new National Park ...