(NEXSTAR) — There have long been questions about when Yellowstone’s volcanic system could see an eruption, especially after a massive hydrothermal explosion was caught on camera last summer.

Echinus Geyser, the world’s largest acidic geyser, suddenly burst back to life in Yellowstone last month after being dormant for five years. Once called ...

Scientists in the United States have 'blown the lid off' the Yellowstone supervolcano's mysterious underground reservoir of magma. A team of geologists and Earth scientists now claims to have finally ...

One of Yellowstone’s most active hydrothermal pools has exploded again, and the eruption was captured on video. The U.S. Geological Survey (USGS) recently shared footage of a mass of mud and water ...