Add Yahoo as a preferred source to see more of our stories on Google. A Kuikuro village in the southeastern Amazon. Joshua Toney A new study reveals how, by cultivating fertile soil for farming, ...

Water engineers in ancient South America turned seasonally flooded Amazonian savannas into hotbeds of year-round maize farming. Previous excavations dated Casarabe society, which covered an area of ...

A new study suggests patches of fertile soil in the Amazon, known as dark earth, were intentionally produced by ancient Amazonians as a way to improve the soil and sustain large and complex societies.

A new genomic study has revealed that five present-day Indigenous Amazonian groups carry genetic markers linked to Indigenous Australasians, suggesting a previously unknown migration into South ...

The three staple crops dominating modern diets — corn, rice and wheat — are familiar to Americans. However, another top crop is something of a dark horse: cassava. While nearly unknown in temperate ...

The Amazon river basin is known for its immense and lush tropical forests, so one might assume that the Amazon’s land is equally rich. In fact, the soils underlying the forested vegetation, ...