The Incas—a civilization that ruled over vast swathes of South America's Andean region in the 15th and 16th centuries—intentionally built Machu Picchu, and other cites, in a location where tectonic ...

The Incas were known to engage in a sacrificial ritual involving children to appease their gods. Archaeologists have found ...

Built in the shadows of the Andes, Cusco’s golden temple was the centrepiece of an empire that revolutionised city planning in South America The thin air and harsh, rocky slopes of the Peruvian Andes ...

Global warming is not necessarily always bad. A 400-year warm spell in South America fueled the Incas’ rise, British archaeologists reported Monday, helping them build the largest empire that ever ...

A study found the first archeological evidence that the Incas used ayahuasca. A new analysis found traces of the drug in the hair and toes of mummified children sacrificed in rituals. It may have been ...

The growth of the Inca Empire can only be described as meteoric. Though precise dates for its beginnings remain elusive, the realm known to the Inca as Tahuantinsuyu, or "The Four Parts Together," ...

LIMA, Peru — In a dry canyon strewn with the ruins of a long-dead city, archaeologists have made a discovery they hope will help unravel one of the most tenacious mysteries of ancient Peru: how to ...

Researchers have found evidence that hallucinogenic plants were used on children as part of sacrificial rituals in Peru hundreds of years ago. Ritual ceremonies played an important role in the Inca ...