For centuries, humans have lived underground. Today, that ancient practice is under dire threat—even as cave life makes more ...

Cinder cone volcanoes form when solid pieces of lava, called cinders, erupt from a vent and collect around it. The volcanoes in the Canary Islands are cinder cones.

In central Oregon between Crater Lake and the Columbia River Gorge, Bend is a top outdoor destination. Travelers will find ...

High viscosity magma creates steep-sided lava domes wherein low-viscosity magma produces cinder cones. Government Mountain is located in Kaibab National Forest in south-central Coconino County.

Specimens occur in volcanic tuff becoming larger and more plentiful along the 1 mile hike to the amphitheater or exposed interior of the cinder cone, which was caused by a phreatomagmatic eruption ...

A series of long-planned enhancements to Snow Canyon State Park is nearing completion to improve visitor flow and reduce ...