In December 2016 a large lava delta formed by Kilauea volcano ... Back home, Peter marked the puka, or cave entrance, on a digital map and planned to return later—with the landowner’s ...

Scientists found a “large” creature with “long” limbs ... the team found several unfamiliar-looking lizards around a cave entrance, the study said. Intrigued, they took a closer look ...

A cave diver's paradise, the Bahamas is home to an extensive network of life-sustaining underwater caverns chock-full of ...

They had crawled into Cave of the Winds ... searching for another entrance. Sarawak is so large that it contains many distinct precincts, and we climbed through at least half a dozen of them ...

Near the entrance to a cave in Thailand, a “slender” creature with “butterfly-shaped blotches” perched on a rock. Its “large, ...

Deep inside a labyrinthine cave in southwestern France, ancient humans who lived around 30,000 years ago carved horses, ...