Pisac Ruins, located in Peru’s Sacred Valley, showcase the remarkable engineering of the Inca civilization with their ...

The Inca Empire stretched roughly 2,500 miles along the Pacific coast of South America and ruled as many as 12 million people. From Cusco, nearly 11,200 feet above sea level, the Inca controlled ...

Ancient DNA reveals people traveled more than 435 miles along Peru’s coast centuries before the Inca Empire, reshaping ancient history.

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 ...

For centuries, the vanished Inca fortress of Ancocagua existed only in lore. Now, at a mountaintop site in Peru, researchers ...

New study shows ancient DNA evidence of migration in Peru's Chincha Valley, proving North Coast settlers arrived centuries ...

The Inca recognized the importance of guano and the islands where the so-called guano birds breed as central to the survival of their civilization — and they responded by implementing the first ever ...

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 ...

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 ...