Centuries of eruptions on the Big Island have created hidden networks of passages beneath volcanoes. In December 2016 a large lava delta formed by Kilauea volcano sank into the sea, exposing the ...

We returned to Petty John’s Cave with a mission—to reach the Volcano Room, a massive underground chamber shaped like its namesake. The journey took us through tight, claustrophobic crawls, slippery ...

The Canary Islands not only boast the third largest volcano in the world, but also the largest natural underwater lava tunnel. Mount Teide, the third largest volcano, resides in Tenerife, while ...

Through the intricate study of lava tubes—caves formed following volcanic eruptions when lava cools down—an international team of researchers has uncovered clues about Earth's ancient ...

Did Mount Vesuvius’ ash cloud really transform a brain into glass? Did Mount Vesuvius’ ash cloud really transform a brain into glass? The moon is hostile. A newly found cave could be a lifesaver.

Natural disasters, from wildfires, floods and mudslides in western states to large earthquakes in Japan, have rocked, burned and flooded parts of the world in the first months of 2025. What’s next?

The People’s Committee of Krong No District in Dak Nong Province, located in Vietnam's Central Highlands region, has issued a ...

Jeju Volcanic Island and Lava Tubes together comprise three sites that make up 18,846 ha. It includes Geomunoreum, regarded as the finest lava tube system of caves anywhere, with its multicoloured ...