Deep beneath the waves of the Pacific Ocean, a powerful force is stirring that has scientists watching more closely than ever ...

HONOLULU (AP) — Hawaii’s Mauna Loa, the world’s largest active volcano, has started to erupt, prompting volcanic ash and debris to fall nearby, authorities said Monday. The eruption began late Sunday ...

Hawaii's Kilauea was spraying a spectacular fountain of lava on Monday, keeping up its reputation as one of the world's most ...

Snow covered the summit of Mauna Loa, the world’s largest active volcano, in Hawaii on January 5. While much of the state remained under a flood watch, rain fell as snow at the volcano’s 13,678 foot ...

Iceland's Vatnajökull Glacier is one of the most beautiful—and geologically important—places in the country.

HONOLULU — Hawaii's Kilauea volcano resumed erupting Friday by shooting an arc of lava 100 feet (30 meters) into the air and across a section of its summit crater floor. It was Kilauea's 31st display ...

The rupture occurred at about 3,000 meters (roughly 9,800 feet), and by Thursday afternoon the lava had descended to 2,900 meters, according to Giuseppe Amendolia, a member of the Alpine Guide team ...

MOUNT ETNA, Italy (AP) — Guides who take tourists to enjoy the striking views of Sicily’s Mount Etna are up in arms over tougher restrictions imposed by local authorities after a round of eruptions at ...