The cave that the Kanohina system seems poised to supplant in the record books is on the other side of the Big Island. It was likely created during a 15th-century eruption of a different volcano ...

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 ...

Cueva de los Verdes and Jameos del Agua located inside the volcanic tunnel, are natural caves that are open to visitors and natural caves that were formed following the eruption of the Corona Volcano.

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

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 ...

The moon is hostile. A newly found cave could be a lifesaver. Jupiter’s volcanic moon Io has been erupting for billions of years Jupiter’s volcanic moon Io has been erupting for billions of ...

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 ...

The Mount Lewotobi Laki Laki volcano in south-central Indonesia erupted three times into Friday, sending an ash column 26,200 feet high and prompting authorities to expand the danger zone around ...

Volcanoes can look like small mountains or hills. A volcano is an opening in the Earth's crust that allows magma, hot ash and gases to escape. Composite volcanoes are the most common type of volcano.