A long quiet volcano in Ethiopia has roared back to life, blasting ash roughly 9 miles into the sky and catching both nearby ...

Scientists are warning that volcanoes buried under ice sheets are not as dormant as they look. As glaciers thin and retreat, ...

Scientists unveil the first 3D images of Mexico's Popocatépetl volcano, revealing critical insights into its magma structure ...

The explosiveness of a volcanic eruption depends on how many gas bubbles form in the magma – and when. Until now, it was thought that gas bubbles were formed primarily when the ambient pressure ...