Archaeologists were puzzled when they found parrot feathers in a pre-Inca burial in coastal Peru. A new study suggests that ...

Scientists used the quipu’s data to build working spreadsheets, file systems, and encryption tools, rivaling conventional ...

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 ...

Centuries before the rise of the Inca Empire, a much smaller kingdom on the central coast of Peru already had a sophisticated trade network—one it used to import live parrots across the Andes from the ...

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 ...