For centuries, humans have lived underground. Today, that ancient practice is under dire threat—even as cave life makes more ...

Those yearning to live out their "Yellowstone" dreams could make their dreams come true with the Heart Rock Ranch.

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For Pennsylvania residents, Laurel Caverns represents a world-class natural wonder right in their backyard. For visitors from further afield, it’s a compelling reason to explore the less-traveled ...

The twin caverns, El Pakiva and Tecopa, showcase some of California’s most unusual cave decorations. Marvel at the “cave ...

From ancient limestone caves to surreal rock formations, explore 5 lesser-known natural marvels near Shimla that reveal the ...

Filming took place across three of Thailand’s esteemed national parks, and its capital, Bangkok. Read more at ...

A hidden box-lattice suggests groundwater sculpted Mars long after surface water fled; Curiosity’s drills aim to confirm the ...

CaveCreek4.jpg Penelope Donahue points out fossils in the limestone of the opening of Cave Creek Cave while on a June 8 hike in Santa Fe National Forest. The limestone, which is around 300 million ...

The animals that plummeted 85 feet into Wyoming’s Natural Trap Cave provide a layered history of life dating back to the ...

We humans love a good timeline. It keeps museums tidy, textbooks slim, and trivia-night champs smug. Then a 23,000-year-old stone wall in central Greece strolls in, kicks over the neat stack, and asks ...

But the Broad River's headwaters, closer to Chimney Rock and Bat Cave, flowing into Lake Lure, saw upward of 20 inches, more than triple the area's normal rainfall for September.