For centuries, the vanished Inca fortress of Ancocagua existed only in lore. Now, at a mountaintop site in Peru, researchers are zeroing in on a discovery that could reshape what we know of the empire ...

Sacsayhuamán’s massive zigzag walls are built from megalithic stones fitted with a precision that does not match known Inca ...

The Inca Empire in South America, one of the most powerful pre-Columbian societies, was known for many innovations — such as the architecture of Machu Picchu, an extensive road network, and a system ...

The Urubamba River flows through Peru’s Sacred Valley, one of the most historically and naturally significant regions of the ...

In many regions in the Andes, where the Inca Empire once flourished, mummies are frequently discovered. It has become clear that there was a mummy culture unlike any other seen in the world. Why did ...

Long-distance migration along Peru's Pacific coast began at least 800 years ago, centuries before the rise of the Inca Empire ...

Fascinating evidence has emerged about historical migration patterns along Peru’s Pacific coast. According to recent data reports, these patterns formed centuries before the rise of the power and ...

A cotton and agave fiber Inca khipu is seen at an exhibit at the Smithsonian National Museum of the American Indian in 2015 in Washington, D.C. (Brendan Smialowski | AFP via Getty Images) The Inca ...

Inca society kept records by encoding information into knotted cords called khipu. A new analysis of hair woven into these cords suggests this... A lock of hair may have just changed what we know ...