Mount St. Helens has inspired plenty of guidebooks along with treatises about geology. Now there's a volcano book featuring Hibble Gibbles. The friendly, hairy creatures with 24-inch-long feet sprang ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Since Kilauea's hawt eruption action moved ...

Volcanoes are one of Earth’s most dramatic wonders bursting with glowing lava, shaking ground and giant clouds of ash. But what actually makes a volcano explode? Scientists say the answer lies deep ...