You no longer need a plane ticket to Brazil and a trek through the rainforest to land one of the world’s most elusive predators. The Arapaima, a prehistoric giant once exclusive to the Amazon River, ...

A new species of piranha-like fish called pacu was recently found hiding in plain sight among several near-identical species in the Amazon River. Researchers have named it after Sauron from "The Lord ...

A mass fish die-off in Brazil’s Amazon River region has killed an estimated 20-30 metric tons of fish and other aquatic animals, following one of the worst droughts in Amazonian history. On the night ...

In a groundbreaking expedition, researchers from Harvard and Amazonas State University began monitoring water quality and mercury contamination in the Amazon Basin’s largest tributary. The Madeira ...

As a punishing drought dries up stretches of the Amazon River, Brazil is resorting to dredging to try to keep food, medicine and people flowing along the watery superhighway. As a punishing drought ...