Three decades ago, researchers working atop the Llullaillaco volcano, located on the border between Argentina and Chile, ...

Field evidence from multiple researchers shows megalithic polygonal masonry lying directly beneath later Inca stonework at ...

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

An astonishing discovery has been made by archaeologists on the arid coast of southern Peru: two freeze-dried potatoes about ...

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 ever ...

Archaeologists digging at an Inca site on the arid coast of southern Peru have unearthed two rare, roughly 500-year-old ...

An analysis of corn, cassava and coca plants discovered with sacrificed Inca children reveals they died during the reign of ...

The snake on this Wari vessel (800-1000 AD) represented a sacred animal symbolically linked with water and fertility. Ernest Amoroso, NMAI/SI A belt (ca. 1450) made from the shell of a mollusk ...

The ancient Inca wonder of Machu Picchu, perched 8,000 feet above sea level on a ridge in the Peruvian Andes, was a royal estate for the legendary warrior Pachacuti, who was largely responsible for ...

The mummy of a child from the Inca period, discovered frozen in 1905 on a mountain in northwestern Argentina, has been returned to an indigenous ...

Do long-dead builders have the answer to more sustainable road development? A new exhibit at the Smithsonian Institution in Washington DC shows why the Incan kingdom built a lasting infrastructure.

A deceptively simple feat of agricultural engineering helped the Inca to build the largest empire in South American history. In the 15th and early 16th Centuries, a small island in Lake Titicaca was ...