Washington state is marking the 25th anniversary of the Nisqually earthquake this week, highlighting a quarter-century of ...

A mud eruption in Sidoarjo in Indonesia, sometimes known as Lusi, took place in 2006 and it continues to erupt, Manga said. The ongoing eruptions have displaced more than 40,000 people, according to ...

BACOLOD CITY — After the eruption of Kanlaon Volcano on Thursday, Feb. 26, the local governments of Isabela, La Castellana, ...

The recent avalanche that killed nine people in California raises questions about just how safe the fast-growing adventure ...

Blue Grotto is a cave that requires you to descend a ladder to enter, which immediately makes you feel more like an explorer and less like a tourist. The cave features beautiful blue-tinted ice ...

Hot-mixed Roman concrete used quicklime “healing” clasts that seal cracks over time, explaining Pompeii’s long‑lasting ...

The Bumpass Hell Trail in California leads to boiling mud pots and steaming vents inside one of the West’s most active hydrothermal basins.

Hawaii's Kilauea volcano had its latest eruption on Jan. 12, flowing lava for nearly 10 hours and attracting heavy traffic to Hawaii Volcanoes National Park. The volcano began erupting at 8:22 a.m.

MOUNT ETNA, Italy — 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 the ...