Orcas, or killer whales, are deadly and beautiful apex predators.

Recently, people have spotted killer whales engaging in some unique behavior. They are rubbing their bellies along the rocks that dot the British Columbia coast. At first, no one was sure exactly what ...

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 ...

Orcas have long been revered for their intelligence, adaptability, and group-hunting strategies. But one scientific review spanning two decades has revealed a little-known, yet intriguing behavior.

A rarely seen pygmy killer whale has been found after stranding on a popular beach, sparking an emergency response from ...