A new study suggests the planet’s iconic domes owe their strange shape to both thick lava and a flexible surface.

Learn how the changing color of tree leaves is being used as an early warning sign for volcanic activity.

Scientists say the Kilauea volcano in Hawaii isn't done erupting. And it's not alone: 54 eruptions have been reported in 2025 ...

Scientists have uncovered new evidence to suggest that Earth is leaking gases from deep inside its mantle—even in regions ...

The Three Sisters Volcano, located in the Pacific Northwest of the United States, is undergoing an intriguing geological ...

Venus, often written off as a geologically dead world, is far more active beneath its blistering surface than previously ...

The 1980 eruption cycle made Mount St. Helens one of the most famous volcanoes in the Cascades. But it is far from the only ...

An analysis of Hawaii’s volcanic rocks revealed Earth’s core is leaking gold and other precious metals, a study found. The ...

This Cold War outpost concealed more than submarines—it hosted a devastating eruption that cooled the planet nearly 200 years ...

Kirt Kempter likes to tease conservation groups about their efforts to try to stop erosion in the Galisteo Basin. As a geologist, he contextualizes time a bit differently than other people. He knows ...

Those changes are known as metamorphism, which is one cause of volcanic activity. In contrast, Venus has a crust that is all one piece, with no evidence for subduction caused by plate tectonics ...

Deep beneath the earth’s surface, temperature and pressure are high enough to melt parts of the mantle and crust to form molten ... frequency seismic waves. A volcano is said to be active ...