Deep within the Amazon, researchers recently discovered a network of 2,500-year-old cities unlike anything ever before seen in the region — and it’s changing historians’ understanding of ancient life ...

Read the Portuguese version here. In the badlands of the southwestern Amazon, Antonia Barbosa is fighting to protect ancient archaeological finds from Brazil’s unstoppable $523 billion agribusiness ...

For centuries, historians assumed the Amazon rainforest was too dense and harsh to support massive ancient cities. The ...