Are you the kind of person who thinks mountaineering is a yawn and caving a ho-hum way to spend a Tuesday? Perhaps you should combine the two, and …

Earth's surface is pinpricked and scarred by craters and crevices, many of which develop into caves and caverns that invite adventurers and …

Gypsum: It's the main ingredient in drywall and frequently added to the water when brewing pale ale and India pales. Humans have been using this …

You might assume that in this day and age, there are no unexplored natural wonders left on the planet. But that wouldn't be correct, as demonstrated …

There aren't a lot of geology terms that can make your stomach growl. "Cave popcorn" is the rare exception. It sounds like it could be a trailside …

Aboveground, Antarctica appears barren and sterile. But tucked within warm pockets of volcanic ice caves, diverse plant and animal life may flourish. …