May 23 (UPI) --Rocks recovered from a remote mountainside in East Africa have offered scientists fresh insights into an unusual type of volcano -- a type of volcanism more hazardous than previously ...

Thundereggs look like regular rocks from the outside, but contain intricate and colorful mineral patterns inside — often made ...

Basalt from a common type of volcano shows a surprising contribution from the descending oceanic plate. Analyses show that magnesium atoms are somehow drawn out of the crust, deep below the surface.

Reading the geochemical fine print found in tiny crystals of the minerals zircon and quartz, scientists are forming a new picture of the life history - and a geologic timetable - of a type of volcano ...

Beacon Rock shoots 800 feet straight up out of the Columbia River. How did it get there? Sitting right on the edge of the Columbia River near Vancouver, Washington, Beacon Rock shoots 800 feet ...