Most of the U.S. volcanoes that have been making themselves known since spring woke up a bit, shook themselves off and then ...

Hidden beneath the Philippine Sea, this colossal supervolcano features a caldera an impressive 150 km (93 mi) in diameter, making it the largest known caldera in the world, even larger than ...

The Great Dividing Range is one of the world’s longest and most fascinating mountain ranges, stretching across Australia from Queensland to Victoria. Unlike many mountain ranges that are the result of ...

Magma from the mantle finds its way to the surface, where it erupts as lava or ash and gas—sometimes in spectacular spurts, ...

Learn about how volcanoes are formed and the ways they erupt Chiara Maria Petrone, Roberto Scandone, and Alex Whittaker On ...

The new discovery by geoscientists from the University of Aberdeen provides the strongest evidence yet that some of Scotland’s most iconic islands were born not from a single large volcano, but from a ...

A team of scientists put together a global database of submarine mud volcanoes. Orders of magnitude more are still bubbling, ...

Giant, large-scale eruptions can have more serious impacts. One such event contributed to the demise of the dinosaurs 66 ...

The RattleCam is back! For the second year in a row, California Polytechnic State University and Dickinson College are live ...

Residents are wearing masks to protect themselves from thick volcanic ash that is blanketing several Indonesian villages as ...

Where islands outnumber towns and coastlines fragment into thousands of pieces, here are the countries with the most islands.