Olympus Mons, a shield volcano on Mars, is the largest volcano in the solar system, measuring approximately 370 miles in diameter and 26 kilometers in height. The formation of Olympus Mons and three ...

Learn about how volcanoes are formed and the ways they erupt Chiara Maria Petrone, Roberto Scandone, and Alex Whittaker On February 20, 1943, Dionisio Pulido and his family were working in their ...

Scientists have long wondered how volcanoes formed in central Anatolia despite being far from tectonic plate borders—now they've found evidence of a hot plume of magma flowing from East Africa. Riders ...

Supervolcanoes are defined by their ability to produce supereruptions — explosions of more than 240 cubic miles of volcanic material. But scientists disagree on how useful the term is. When you ...

Geology textbooks describe the Earth's mantle beneath its plates as a well-mixed viscous rock that moves along with those plates like a conveyor belt. But that idea, first set out some 100 years ago, ...

Countries with the Most Volcanoes: Volcanoes are powerful openings in the Earth’s crust where hot lava, ash, and gases escape from below the surface. Some countries have more volcanoes because they ...