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, ...

Despite an explosive summer at Yellowstone National Park — marked by a thermal feature eruption that destroyed a boardwalk and sent visitors fleeing from an eruption of black water, mud and ...

If the Yellowstone supervolcano were to erupt — and there’s no indication that will happen any time soon — Billings residents could be up to their chins in ash.

Michael Poland, the lead scientist-in-charge of the Yellowstone Volcano Observatory, said the Biscuit Basin has a history of small eruptions.

Man Falls Off Steep 30-Foot Cliff Trying to Get 'a Closer Look' of Kīlauea Volcano Eruption A tree ultimately broke his fall, saving the man from an additional, potentially fatal 100-foot fall to ...

Mike Poland, who leads the Yellowstone Volcano Observatory for the U.S. Geological Survey, says these discoveries are helping scientists better understand how the whole system works.

Kilauea Volcano on Hawaii erupts for 25th time since December, spewing lava 330 feet high: "Here we go again!" ...

One of the world’s most active volcanoes, Kilauea on Hawaii’s Big Island, began spewing lava from the north vent Wednesday, the latest event in an ongoing eruption that began almost six months ...

Yellowstone visitors watched in horror as a bison fell into the Grand Prismatic Spring, struggling to escape the boiling water in a tragic wildlife event.

Named after an 18th century Russian Orthodox priest, Veniaminof is what scientists call a “stealthy volcano,” one that offers practically zero warning that an eruption is imminent.