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 ...

Scientists Wednesday announced the discovery of the 16-million-year-old remains of the largest river dolphin ever found on Earth. A skull of the long-extinct creature was uncovered in the Amazon in ...

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 ...

New research shows that Amazon River dolphins (Inia geoffrensis) are facing significant risks due to fishing, dams and dredging practices. Using satellites, cetacean experts were able to track eight ...

Paleontologists discovered a fossilized skull of a newly described species of giant freshwater dolphin in the Peruvian Amazon, which lived around 16 million years ago and is considered the ...

River dolphins in the Amazon and Orinoco are under ever increasing pressure from the impact of hydropower dams and mercury contamination from small-scale gold mining, according to results from the ...

March 20 (UPI) --An international team of researchers found the remains of a giant freshwater dolphin that is about 16 million years old and the largest river dolphin species ever found, the ...