South America’s ancient Inca rulers didn’t establish the largest empire in the New World by being sweethearts. But their reputation as warmongers, at least according to some influential 16th- and 17th ...

Incan fortresses built some 500 years ago have been discovered along an extinct volcano in northern Ecuador, revealing evidence of a war fought by the Inca just before the Spanish conquistadors ...

One synthesis aimed at science readers notes that the network is colossal in extent and that its discovery required a methodical campaign of surveys and tests, underscoring how much planning must have ...

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A stone box fished out of Lake Titicaca contains tiny items that add an intriguing twist to what’s known about the Inca empire’s religious practices and supernatural beliefs about the massive lake.

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 ...