Caves don’t appear suddenly, and they aren’t carved by violence. They form quietly, over immense stretches of time. This ...

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 ...

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.