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 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 ...

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 ...

SAN JUAN, Puerto Rico — An explosive eruption has rocked La Soufriere volcano on the eastern Caribbean island of St. Vincent. The eruption followed mandatory evacuation orders from the local ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. How and if a volcano explodes depends on how and when bubbles of ...

Japanese authorities ordered all of the estimated 137 people on a small island to evacuate after a volcano erupted Friday morning in a towering plume of thick, black smoke almost six miles high and a ...

Learn more about “Whale Hill,” a fossil site in Chile that may reveal how volcanic ash caused mass whale death and ...

Volcanoes are Earth’s geologic architects. They’ve created more than 80 percent of our planet’s surface, laying the foundation that has allowed life to thrive. Their explosive force crafts mountains ...

Stunning social media videos erupted from the northern coast of Colombia on Feb. 25, when a mud volcano exploded, shooting flames high into the sky and prompting evacuations, local officials reported.

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 ...