When people think about volcanoes, they often picture places like Hawaii or Yellowstone—not Colorado. But did you know that ...

One of the most active volcanoes in the Philippines erupted Tuesday morning. There were no immediate reports of casualties in ...

Scientists have found previously undocumented ash deposits buried beneath the Lava Creek Tuff in Wyoming — and at least one ...

Researchers at Washington University in St. Louis have run new calculations, suggesting that Venus' outer crust could be experiencing convection—a process where heated material rises and cooler ...

The depths, longevity, and potential to generate silicic compositions of magma chambers are linked to crustal temperature, which varies across Mars and over its geological history.

Because salt has been detected on Mars, it is likely that Martian mudflows are also salty, much like Earth’s mud volcanoes, ...

The area around Kanlaon Volcano in the Philippines was still under evacuation orders from an eruption in December​.

Yellowstone volcanism has produced some of the youngest rocks in North America. This same region also features some of the ...

A restive Philippine volcano has erupted briefly on a central island, sending a 2.4-mile plume of ash and debris into the sky ...

Venus may be far more geologically alive than anyone expected. New research suggests its outer crust could be churning with ...

The Perseverance rover has found some intriguing samples on the red planet. Here's what they might reveal about the origins ...