Saulo Jennings, a chef from Brazil's Amazon region, is so passionate about the rainforest's flavors -- like the massive ...

A narrow skiff slides among massive rocky outcroppings on the Tocantins River, where the catfish and peacock bass throng in ...

Brazilian police with support from Interpol have destroyed 277 dredges used in illegal gold mining along the Madeira River in ...

Animals that disappeared from some rivers because of pollution, dams and overharvesting are getting a new lease on life that ...

Otters are among the most adaptable mammals alive, thriving everywhere from icy coasts to steamy rainforests. This list reveals the eight largest species, from the massive giant otter of South America ...