Researchers analyzed changes over time in the ratio of small earthquakes to bigger ones beneath Mount Etna and found a strong ...

Massive volcanic eruptions billions of years ago may have made it snow on Mars, leaving thick buried ice near the planet’s ...

Scientists observed a 3.5 inches rise in the ground near the Iranian volcano's summit and it holds clues to its eruption.

Two thousand years ago, Alaska’s Mount Okmok volcano spewed ash high into the atmosphere for months. Scientists believe it ...

Mount Lewotobi Laki Laki, one of Indonesia’s most active volcanoes, is erupting for a second straight day, spewing towering ...

A new study has revealed that our understanding of the South Pole-Aitken basin was quite literally back-to-front, meaning ...

Throughout most of Earth's geological history, its paleoclimate has remained hospitable to life—largely thanks to continental ...

Deep within Greenland’s ice sheet, a chemical anomaly has sparked intense scientific debate, especially after researchers ...

How do volcanoes work? What happens beneath their surface? What causes the vibrations—known as tremor—that occur when magma ...

A colossal cloud stretching 1,800 kilometers forms over a Martian volcano every winter—then vanishes by midday.