In tonight's incredible fourth episode, "The Amazon," we traveled to the Amazon rainforest, a hotbed of biological diversity and one of the most iconic, not to mention most beautiful, landscapes on ...

It’s the world’s largest rainforest, containing the world’s largest river, home to giant snakes, pink river dolphins, and ...

The largest rainforest, the Amazon, is located in South America. More than half of the Earth's species of animals and plants live in tropical rainforests, even though rainforests only cover a ...

The newly resurfaced footage, originally captured in March 2016, shows an Amazon river dolphin ... increase social bonding is not uncommon among animals, it is unusual for aquatic mammals.