Strange discoveries are normal in the largest rainforest on Earth, from the thousands of Amazonian "Stonehenges" to the world ...

The dolphins appear pink due to the ventilation (passing of blood and oxygen) underneath the skin – and even more so when they are swimming and jumping near the surface of the water. According ...

Over 100 Amazon river dolphins died in Brazil's Lake Tefe amid ... day when water temperatures soared to 102 degrees Fahrenheit. Jump to ...