Deep within a French cave, researchers may have uncovered the world’s oldest 3D map. While exploring the Ségognole 3 cave ...

Pavlova is a Russian speleologist, or a scientist studying caves, and she was on a mission to map caves in the region. But, ...

Back home, Peter marked the puka, or cave entrance, on a digital map and planned to return later—with the landowner’s permission—to see where the opening might lead. Author Joshua Foer ...

Bogdan Onac, a mineralogist, uses a thermal imaging camera to map temperatures inside the cave. One cave wall, still glowing, was recorded at nearly 1,100 degrees Fahrenheit. Robbie Shone Sauro ...