Social media videos showed people running into the streets as bright orange flames and smoke spewed into the sky.

Volcanoes often look deceptively quiet until the moment they unleash towering plumes of ash and gas, yet the precise switch that turns a gentle rumble into a devastating blast has remained stubbornly ...

One of the most dramatic events on earth is volcanoes. But why then are they suddenly to burst open and pour lava, ash and gas? The answer lies somewhere deep in our planet. Volcanoes are found when ...

UNIVERSITY PARK, Pa. — For people living near volcanoes, danger goes well beyond lava flows and clouds of ash. Some explosive eruptions can lead to dramatic collapses of the sides of a volcano, like ...

Researchers at Diamond Light Source have used advanced imaging to look at microscopic crystals, called nanolites, to see what they can tell us about volcanic eruptions. Highly explosive eruptions ...

New research offers clues as to why Mount St. Helens is one of the most explosive volcanoes in the Cascade range and why it stands apart from the chain of other Cascade volcanoes. Scientists from the ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Stunning social media videos erupted from the northern coast of Colombia on Feb. 25, when a mud volcano exploded, shooting flames ...

Volcanoes are often framed as nature’s most violent spectacles, yet some of the largest on Earth ooze lava quietly for years without a single dramatic blast. Scientists have now pulled together a ...