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 massive rafts floating ...

Volcanoes are Earth’s geologic architects. They’ve created more than 80 percent of our planet’s surface, laying the foundation that has allowed life to thrive. Their explosive force crafts mountains ...

The Kilauea volcano in Hawaii erupted on Tuesday morning, spitting out football-sized particles into the air. Fallout of the particles were reported at overlooks in the Hawai'i Volcanoes National park ...