Scientists may have finally cracked the recipe behind Venus' giant pancakes. Venus is famous for its "pancake domes" — steep-sided volcanoes that rise from the planet's surface like circular welts. A ...

Venus, often called Earth’s evil twin, is home to some of the most peculiar geological features in the solar system. Among its many mysteries are the planet’s so-called pancake domes—enormous, ...

The Cleveland Volcano, located near the middle of Alaska's Aleutian Islands chain, has had its warning status bumped up after scientists observed a lava dome building Tuesday. Scientists had warned ...

MOUNT ST. HELENS, Wash. - Part of the lava dome in Mount St. Helens' crater has risen 10 to 30 feet in the past day, on top of 250 feet in the past week, U.S. Geological Survey scientists said Friday.

Iceland became the focus of many recently as one of its many volcanoes erupted. Photos and videos mesmerize as they show fountains of lava spewing from the ground and thick plumes of smoke rising into ...

Lava is molten rock from a volcano that reaches the Earth’s surface. Liquid rock below the Earth’s surface is referred to as magma. More than 50% of the world’s active volcanoes above sea level ...

MOUNT ST. HELENS, Wash. — Part of the lava dome in Mount St. Helens' crater has risen 10 to 30 feet in the past day, on top of 250 feet in the past week, U.S. Geological Survey scientists said Friday.

SAN JUAN, Puerto Rico (AP) -- Volcano monitors say the Caribbean's Montserrat volcano has blasted a column of ash 40,000 feet (12 kilometers) high into the sky. The director of the Montserrat Volcano ...

The evolution over the past 10 million years of the topography and crustal structure of the Central Andes along an east-west transect through the study area is shown in this cartoon. (Image credit: ...

On March 23, 2009, after several months of dithering, Mount Redoubt in Alaska began to blow its top. It cleared its throat with five cannon-ball like explosions laden with ash and rock, and then, as ...