A study comparing the nutritional demands of killer whales with the caloric content of their prey has startling implications for the potential impact of these large predators on populations of ...

Killer whales have been caught on video breaking off pieces of seaweed to rub and groom each other, scientists announced Monday, in what they said is the first evidence of marine mammals making ...

KITTY HAWK, N.C. (WAVY) – A survey crew that has spent the past five years tracking whale locations just had their first orca sighting — off the coast of Kitty Hawk, North Carolina. According to a ...

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.

One day in June 2022 Chérine Baumgartner, a researcher at the Icelandic Orca Project, was watching from a dinghy as a pod of killer whales fed on herring—when she noticed something very odd ...