An ancient society in the Peruvian Andes likely used psychoactive drugs during exclusive rituals that may have helped ...

Unearthed in Peru, the small underground room may have been used for rituals involving psychoactive drugs. New research ...

In a new study, archaeologists uncovered 2,500-year-old psychoactive drug paraphernalia in an archaeological site in the ...

Although their own name for themselves remains unknown, the Chavín of Peru clearly shared common agricultural techniques, ...

Chemical analysis reveals traces of a number of psychoactive compounds thought to have been used to secure leaders' status ...

Archaeologists in Peru have discovered a 2,500-year-old secret drug room filled with hollowed-out bird bones containing ...

Inside, researchers found nicotine from wild Nicotiana species and vilca, a psychedelic powder derived from the vilca tree.

Researchers discovered that pre-Inca stone structures from the mountains of Peru had secret rooms accessible to only the most ...