Researchers mapped a pulsing mantle plume under Afar that channels molten rock upward, stretching Africa’s crust until it ...

Scientists trace the source of Santorini quakes to deep magma flow, challenging fault-based theories with new volcanic ...

The spectacular lava fountains that marked Kilauea’s 27th eruptive episode came to an abrupt stop at 7:54 p.m. Sunday, ...

Lava flows, near mile-thick glaciers and ice age floods layered and carved up this landscape.