Learn more about the past eruptions at Yellowstone National Park and how each new eruption displaced evidence of the past.

Like the the catastrophic eruption of Mount St. Helens over four decades ago, the blast from the Hunga Ha’apai volcano on January 15, 2022 measured at a Volcanic Explosivity Index of 5, with a bottom ...

A discovery of lunar glass beads continues to captivate scientists, shedding new light on the Moon’s volcanic history. These tiny specks, no larger than a millimeter, were formed during volcanic ...

The 1980 eruption cycle made Mount St. Helens one of the most famous and now best-monitored volcanoes in the Cascades. But it is far from the only volcano in the range. From southern British Columbia ...

While many science books would have you believe the Earth's lower mantle—the layer deep below the crust—is smooth, it's actually made up of a mountainous-like topography that moves and changes just ...

The eruption of the Krasheninnikov volcano on Sunday in Russia’s Far East came after a series of seismic events this past week on the Kamchatka peninsula. By Nataliya Vasilyeva A long-dormant volcano ...

Add Yahoo as a preferred source to see more of our stories on Google. When you think of the United States, images of sprawling cities and vast landscapes might come to mind, but not the hidden and ...

A mosaic of two pictures showing the rover arm after scanning and sampling one of the rocks discussed in the paper. The rock itself is in the lower right and clearly shows the hole where the sample ...

After nearly 12,000 years in dormancy, a volcano in Ethiopia has erupted and hurled ash over unsuspecting communities. It's assumed that Hayli Gubbi, located in the Afar region of northeastern ...

When you think of the United States, images of sprawling cities and vast landscapes might come to mind, but not the hidden and ever-present geological threat: volcanoes. While you might associate ...