George Wear, from Dallas, Texas, told Newsweek: "It felt like this may be one of those caves that very few people had been in ...

Paleontologists have discovered the first known fossilized bee nests built inside ancient bones, uncovered in a cave that ...

As far as hidden gems go, Emerald Cave certainly qualifies. It’s a small grotto carved from the rocky walls of a canyon on the Colorado River in northwestern Arizona that can only be reached by a boat ...

Scientists have discovered a previously unknown, extinct species of shark, dubbed Macadens olsoni, inside the cavernous expanses of Kentucky's Mammoth Cave National Park. The name honors both Mammoth ...

While precious summer hours are slowly ticking away, fall-like weather may be nice enough to get outside on the weekends for weeks yet. In case you weren't paying attention, fall returns on Sept. 22.

A giant colonial spiderweb in a sulfuric cave on the border between Greece and Albania may be the largest ever found — and it was built by spiders we didn't know liked the company of others. When you ...