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

In the fifteenth and sixteenth centuries, the Inca Empire was the largest South America had ever known. Centered in Peru, it stretched across the Andes’ mountain tops and down to the shoreline, ...

aYou've likely heard of the advanced skills of the Inca Empire. From creating a reliable system of measurement and ...

In our new study published in PLOS One, we find evidence for a surprising potential source of power and influence: bird poo.

The rest of this article is behind a paywall. Please sign in or subscribe to access the full content. While today we use the term Inca to refer to all people who were ruled under the empire – from ...

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 ...

A 400-year warm spell helped the ancient Inca to build the largest empire ever to exist in the Americas, a new study has established. Subscribe to read this story ad-free Get unlimited access to ...

"Land of the Four Quarters" or Tahuantinsuyu is the name the Inca gave to their empire. It stretched north to south some 2,500 miles along the high mountainous Andean range from Colombia to Chile and ...

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 ...