The Inca Empire in South America was one of the most powerful pre-Columbian societies. It was known for the architecture of ...

Inca society kept records by encoding information into knotted cords called khipu. A new analysis of hair woven into these ...

Archaeologists say they have discovered the ruins of what they believe are the boundaries of an ancient temple belonging to ...

Analysis of the hair used in a knotted device reveals the owner’s simple diet. That suggests commoners, not just the elite, kept records in Inca society.

A 500-year-old Inca document made of alpaca wool and human hair was made by an unknown individual of low social status, shattering the common belief that only high-ranking imperial officials knew how ...

Inca bureaucrats recorded all the goings-on in their bustling empire using knotted cords called khipu, where the position and ...

Many tropical glaciers in the Andes are expected to disappear in the next few decades. Their meltwater sustains millions of ...

Since 2002, the Peruvian government has required tourists to have a permit and a guide to hike the Inca Trail to Machu Picchu ...

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 ...