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 ...

There are some mesmerizing things in nature. But as Artificial Intelligence becomes more integrated into society, it can be hard to tell what is real, and what is not. While we all may want to believe ...

Dolphins are usually grey and quick in the open ocean. In rivers, though, they can be different. In the Amazon, there’s a ...

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 ...

PUERTO NARINO, Colombia -- 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 river ...

More species than ever are being added to the endangered species list. Be it monarch butterflies with 80% of their population ...

While some excited viewers will be wearing head-to-toe pink and eating pink cake pops this weekend, some lucky fishermen were treated to a rare pink sight. On July 12, Thurman Gustin of Houston took ...

Pink dolphins are an indicator species of the Amazon river, scientists say. Swimming with the piranhas and anacondas below the surface of the Amazon River in Bolivia is a rare species: pink, ...

WASHINGTON (CN) — The National Oceanic and Atmospheric Administration’s fisheries service has agreed with petitioners that the Taiwanese humpback dolphin ...

Add Yahoo as a preferred source to see more of our stories on Google. 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 ...