Satellite images appear to show a new highway cutting through the rainforest in the Brazilian state set to host COP30.

With no outlet to the west, the river found a gentler route eastward, carving out the huge basin visible on modern maps. The ...

They used satellite technology to map the river. For this exploration, they traveled the Amazon through Peru, Colombia and Brazil. Yuri says it's almost 7,000 kilometers long — that's more than ...