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 verified that the cave characteristics we were measuring ... measurements into their computer model to create a 3D ...

‘We were able to obtain the first 3D model of a part of the cave ... Underground lunar caves are ancient lava tubes created ...

Approximately 700,000 years ago when molten rock erupted from a vent in nearby Hart Prairie, the mile-long Lava River Cave was formed. Today, visitors can explore the cave's cool, dark expanse by ...