Spend your summer reading cozy romantasy tales, hard sci-fi adventures, ghostly thrillers, and horrifying alt-reality stories ...

From Erich von Däniken to the History Channel, the ancient aliens hypothesis rests on a single, deeply flawed premise: that ...

DNA preservation on cave walls is highly variable, but scientists say their work is an important step on the path toward ...

Photos of amazing, almost unreal places Who needs fantasy? Earth is full of “alien planets” and surreal beauty beyond ...

Cave art from Lascaux Cave, in the Dordogne region of France. It contains over 600 stunning parietal wall paintings and 1,500 engravings created by Upper Paleolithic humans roughly 17,000 years ago.

Some stalactites are incredibly skinny and fragile, hanging from the ceiling like delicate soda straws made of stone. Other ...

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In the early 1930s, a teenage girl of Mexican heritage was exploring a long-abandoned mine tunnel in the Copper Canyon region of Chihuahua, Mexico. Buried beneath the dirt floor in a shallow, ...

The light fades as divers disappear farther into a cave system, until the greenish hue from their flashlight is all that’s visible, bouncing off walls, picking out creatures humans might never have ...