In July 2015, my husband and I were crammed into a stuffy minivan with 12 others, climbing out of Lima’s coastal mist into the sun-filled mountains thousands of feet above. After hours of dust clouds ...

Village authorities insisted on handling the khipus without gloves to feel the fibre differences. (Credit: William Hyland) Two vibrant bundles of string, over 10,000 feet high in the Peruvian Andes, ...

A discovery made in a remote mountain village high in the Peruvian Andes suggests that the ancient Inca used accounting devices made of knotted, colored strings for more than accounting. The devices, ...

Animal-hair cords dating to the late 1700s contain a writing system that might generate insights into how the Inca communicated, a new study suggests. Researchers have long wondered whether some ...