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

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 ...

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 ...

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 ...