Where Volcanoes Are Born 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 ...

In the predawn darkness, a team of scientists climbs the slope of Mexico's Popocatépetl volcano, one of the world’s most ...

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 ...

Some scientists think we can better understand volcanoes by learning how the gaseous vortexes emerge. By Carolyn Wilke Some volcanoes perform a rather subtle trick: blowing rings of vapor that waft ...

Kilauea in Hawai’i has been in a state of near-constant eruption for decades, providing researchers with a uniquely reliable setting to study one of our planet’s most unpredictable and destructive ...

A “fascinating” eruption is approaching as a sleeping giant underwater volcano stirs with seismic activity near America’s west coast. The seismic activity of Axial Seamount, a submerged volcano ...

The moon could contain massive slabs of ice at its north and south poles formed from the steam of vast ancient volcanoes, according to new research. If the new predictions are correct, it opens up the ...

Often spotted by onlookers in Hawai‘i Volcanoes National Park, or even by YouTube livestream viewers, the long, ashy gray or ...

Italy’s Mount Etna erupted Monday, causing tourists to flee as smoke and ash billowed from Europe’s tallest active volcano. Have no fear: this won't happen in New England any time soon as there are ...

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 ...