This expansive forest stretches across several South American countries, breathing life into the very atmosphere we depend on ...

A new study observed Amazon river dolphins for 218.9 hours and saw males spurt urine into the air 36 times—proof that the behavior is more common than we thought.

The Amazon rainforest, and the Amazon River and its enormous tributaries are home to 30 million people. Many live a simple life in near isolation on the riverbanks, but their livelihoods ...

The Madeira River is the largest tributary flowing into the Amazon River and is home to many people living on the banks. These residents drink and eat fish from the river, so its water quality ...