STORY: The remains of rare baby river dolphins have been washing up on the shores of Brazil's Lake Tefe in recent weeks. The Amazon rainforest is experiencing its worst drought on record and seeing ...

We canoed the Rio Negro and Solimões to observe wildlife from the water during the day and at night, hiking trails and ...

Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...

Strange discoveries are normal in the largest rainforest on Earth, from the thousands of Amazonian "Stonehenges" to the world's largest snake ever found on record that was recently discovered in the ...

TEFÉ, Brazil — Each morning for the last several weeks, researcher Miriam Marmontel has gazed out at Lake Tefé and the Amazon River, through a thick curtain of smoke from thousands of wildfires raging ...

How big they are: From 5 to 32 feet (1.5 to 10 meters) long, depending on the species Dolphins live in almost every ocean, except most tend to avoid the cold waters in the Arctic and around Antarctica ...

PUERTO NARINO, Colombia (AP) — A flash of pink breaks the muddy surface of the Amazon River as scientists and veterinarians, waist-deep in the warm current, patiently work a mesh net around a pod of ...

There are around 40 species of dolphins alive today. They are found all over the world and live in both freshwater and marine habitats. However, although many species are thriving with populations in ...