SIOUX CITY (KTIV) - Gather your supplies! In this episode we will use everyday materials to learn about the formation of volcanoes. Volcanoes are openings where lava, small rocks, and gas erupt from ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Image was taken by William F. Foshag, ...

A large formation of granite discovered below the lunar surface likely was formed from the cooling of molten lava that fed a volcano or volcanoes that erupted early in the Moon's history -- as long as ...

Scientists have mapped what are essentially the bones, blood vessels and nervous system of a "zombie volcano" to develop a comprehensive look inside. The Bolivian volcano Uturuncu hasn't erupted for ...