Cave formation starts with a simple chemical reaction between water and carbon dioxide in the atmosphere, creating carbonic acid. This weak acid forms when rainwater combines with CO2, then ...

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 ...

Traveling around Eagle County, it is easy to wonder about the interesting geological features that dot the landscape. While we are blessed with abundant mountain peaks and canyons, there is one ...

On Sunday’s episode of The Excerpt podcast: Hidden beneath Earth’s surface are caverns and pathways that hold the secrets of our planet’s very beginnings. Even after decades of exploration, there are ...

Boulder, Colo., USA: A study published on Friday in the journal Geology uses isotopes of sulfur to fingerprint the sources of sulfuric acid that have carved unique and beautiful cave systems in the ...

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