Add Yahoo as a preferred source to see more of our stories on Google. In the 1990s, Art Bell’s Coast to Coast AM was the radio’s answer to Unsolved Mysteries. The late-night talk show discussed aliens ...

For centuries, the 5,200 mystery holes scattered across the Peruvian Andes have baffled archaeologists. These pits, each approximately 1-2 feet wide and up to 2 feet deep, span an area of about 1.5 ...

The Pisco Valley of southern Peru’s Andes Mountains features 5,200 precisely aligned ancient holes dug into the foothills. For a century, what the holes were actually used for has remained a wildly ...

lijah Sullivan has spent the last six years trying to solve a mystery. About 10 years ago, a hole — about 60 feet deep — appeared on the side of Mount Shasta, California’s highest volcano. It seemed ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...