There's no denying that the Amazon rainforest is the most dense and humid wilderness where life thrives at every layer of the ...

This sprawling ancient metropolis in the jungle of Ecuador has revealed a unique form of urbanism. The BBC visits the site for the story of this mysterious civilisation.

Scientists fired LiDAR lasers over the Amazon and stripped away the rainforest canopy without cutting down a single tree. What appeared underneath was not empty wilderness, but roads, canals, ...