It's a truism among oceanographers that there is more accurate mapping of the surface of the moon and Mars than of the ...

Satellites captured footage of an underwater volcano eruption in a part of the sea that remains largely a mystery.

A video from the Philippines showed a blazing object appearing to plunge towards erupting Mayon Volcano. Phivolcs said it ...

Klyuchevskoy volcano in eastern Russia began erupting shortly after a powerful 8.8 magnitude earthquake and several aftershocks shook the same area. "A descent of hot lava is observed on the western ...

About 20 climbers set out Thursday to ascend the nearly 1,355-meter (4,445-foot) volcano on the island of Halmahera, in defiance of safety restrictions.

Fresh fears have erupted in Hawaii after volcanic activity and a powerful earthquake put parts of the island chain under ...

USGS scientists have recently observed low-density tephra produced in recent eruptions become short-lived “Tephra Devils,” ...

Hawaii's Kilauea volcano is once again erupting, sending shocking spurts of lava flying around the area. Tuesday's event marked the 46th time the Kilauea volcano erupted this year, the United States ...

The tragedy occurred on Indonesia’s Mount Dukono, where three climbers, two from Singapore and one Indonesian, were killed in the eruption.

The bodies of two hikers who went missing after the eruption of a volcano have been found, bringing a days‑long search effort to a tragic end.