Learn how Mount Etna stands apart from most volcanoes, having been formed by pockets of magma held in Earth's upper mantle.

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 ...

NEW YORK - A unique phenomenon appeared in an Upstate New York park as frigid temperatures consumed the Northern Tier of the U.s. and encased most of the region in snow and ice. Located in Letchworth ...

Located in Sicily, Mount Etna is Europe's most active volcano. Yet its origin remains largely enigmatic, as no existing ...

Gold’s rarity on the surface of Earth makes it a treasured resource, but the precious metal is not nearly as sparse in the planet’s deeper layers. The Earth’s mantle contains gold, especially in spots ...