For nearly a century, a strange band of thousands of holes carved into a Peruvian hillside has defied explanation. Stretching for nearly a mile (1.5 km) along the edge of the Pisco Valley, Monte ...

A hillside in Peru covered by more than 5000 aligned holes may have been a giant Inca accounting device – a spreadsheet, but on a monumental scale. Tracing across the slopes of Monte Sierpe (Serpent ...

Over a thousand years before the Inca Empire, a desert culture in Peru built a 13-tower solar observatory that tracked the sun’s rising and setting points with astonishing precision. From two fixed ...

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," ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

While Sacsayhuamán is famous as an Inca ceremonial fortress near Cusco, its stone walls — some blocks weighing over 100 tons — show fretting joints, perfect fit, and angular cuts that resemble even ...

The German Aerospace Center's Mars camera photographed the Angustus Labyrinthus region near the south pole of Mars on Feb. 27, 2024. The imagery allowed scientists to create this oblique perspective, ...

ST. ANDREWS, SCOTLAND—Science reports that recent analysis of an Inca recordkeeping device in the collection of the University of St. Andrews is upending what archaeologists previously thought about ...

Inca bureaucrats recorded all the goings-on in their bustling empire using knotted cords called khipu, where the position and order of the knots represented numbers. They relied on the khipu system to ...

A new study challenges widespread notions about khipus, intricate cord and knot information-recording systems, based on Spanish colonial-era sources. Reading time 2 minutes The Inca were a ...

Benjamin holds a Master's degree in anthropology from University College London and has previously worked in the fields of psychedelic neuroscience and mental health. Benjamin holds a Master's degree ...

Lake Titicaca was a sacred space to the ancient Andean empire of the Inca, which at its height in the early 16th century controlled territory from modern-day Colombia to Chile. The Inca built more ...