Most volcanoes form at the boundaries of Earth's tectonic plates, which are huge slabs of crust and upper mantle that fit together like puzzle pieces. Think of these plates as massive rafts floating ...

A recent study reveals that the Poás volcano has changed its eruption pattern, redefining the global ash-related risk map.

Add Yahoo as a preferred source to see more of our stories on Google. A satellite image shows ash rising from the eruption of the Hayli Gubbi volcano in Ethiopia as it drifts over the Red Sea, ...

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

Around the world, volcanologists are following the path of magma as it travels between connected volcanoes, in an effort that ...

A long-dormant volcano has just erupted for the first time in recorded history. The Hayli Gubbi volcano in northern Ethiopia's Afar Region erupted for the first time in at least 12,000 years early ...

(CNN) — A volcano in Ethiopia has erupted for the first known time in 10,000 years, spewing plumes of thick smoke and ash high into the sky and impacting air travel thousands of miles away in India.

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 ...