The Amazon has been called a “tree of rivers” – multi-branched, intricate, connected – and in many ways, a cruise is the only way to really explore it. South America’s longest river runs for 4,000 ...

The Amazon has always carried an air of mystery, with its winding waterways and dense rainforest stretching for miles. Travelers once saw it as unreachable, reserved only for explorers and scientists.

The big news in South America river cruising is AmaWaterways launching the first luxury river ship on the Magdalena River in Colombia, with plans to launch a second ship later this year. But it is not ...

In today’s modern age, it might be fair to assume that science has decisively answered some of the bigger questions regarding the natural world – or at least those dependent upon sheer physical ...

Brazil’s state-controlled energy company received approval to explore for oil near the mouth of the Amazon River, capping a yearslong standoff with environmental regulators over access to a basin ...

Brazil's state-run oil giant Petrobras has received approval from environmental regulator Ibama to begin exploratory drilling ...

Deep in the Amazon, there's a creature that defies expectations - pink river dolphins. In this episode, we get up close with ...

A lifelong fascination with nature and fieldwork led this researcher to the world of ethnobiology a field where ecology, culture, and community come together. Investigating how local people relate to ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. (CNN) — Picture a ...