Just three years ago, a group of Idaho men traveled to an unnamed Western state and in an unnamed range of rugged mountains, hiked up a steep trail. At the top, they unraveled climbing ropes, stepped ...

Cave explorers have traversed what’s now the deepest known cave in Australia. On Saturday a group of explorers discovered a 401-metre-deep cave, which they named Delta Variant, in Tasmania’s ...

There's some complex chemistry behind a cave's stalactites and stalagmites. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Stalactites and ...

A section of South Dakota’s Wind Cave seen under normal white light (left image) transforms into something otherworldly when placed under UV light (right image). SAN DIEGO, March 25, 2025 — Deep below ...

Dimitri Laurent explores a typical gallery in the Nébélé Cave, which was formed by sulfuric acid speleogenesis. You can see a deep notch that indicates the former presence of a river, and sodium ...

Jon Woodhead receives funding from the Australian Research Council. Kale Sniderman receives funding from the Australian Research Council Liz Reed receives funding from the Australian Research Council.

Mars skylights like this could be the mouths of caves formed by lava tubes. NASA wants to explore them. Credit: NASA / JPL-Caltech / Univ. of Arizona Ever since scientists have had an orbiter's view ...