Mountain building, also known as orogenesis, is a geological process that involves the formation and uplift of large, elevated landforms, known as mountains. The term "orogenesis" comes from Greek ...

An odd-looking cloud formation over Mount Rainier drew curious eyes from social media users Wednesday as the volcano looked as if it was giving a warning before some sort of event, but experts quickly ...

The discovery of Tamu Massif, a gigantic volcano located about 1,000 miles east of Japan, made big news in 2013 when researchers reported it was the largest single volcano documented on earth, roughly ...

On a lonely, cratered plain near the equator of dwarf planet Ceres, a mountain half the height of Everest spirals into an airless abyss. A few hundred million years ago, briny ice lavas from deep ...

Hidden beneath the waves of the Tyrrhenian Sea near southwestern Italy lies a newfound volcanic mosaic dotted with geothermal chimneys and flat-topped seamounts. This complex is new to both science ...

Learn which countries have the most volcanoes, how volcanoes are formed, why these regions are highly active, and important volcanic facts. From Indonesia’s explosive mountains to Chile’s long ...

From the top of Mammoth Mountain, the view is incredible, but we're focused on the Red Cones, about 2,000 feet below. These cinder cones are the two youngest volcanos in this chain. They last erupted ...

Ever since we laid robotic eyes on the lone, giant mountain on Ceres, scientist have been obsessed with a single question: How did Ahuna Mons form? New models suggest the mountain is an icy volcano, ...

Mount Etna is the largest active volcano in Europe. The oldest volcanic deposits are 230,000 years old and the constant activity of the volcano has been noted for the last 3,500 years, especially the ...