Agricultural techniques perfected by Inca farmers 500 years ago are beginning to have a dramatic effect on the incomes of today's farmers in Pampachiri, one of the poorest areas of Peru. The Inca ...

Archaeologists have discovered the ruins of an ancient temple, roadway and irrigation systems at a famed fortress overlooking the Inca capital of Cuzco, according to officials involved with the dig.

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 ...