Biologists discovered killer whales and dolphins working together to hunt salmon, a behavior never before documented in this ...

A pod of orcas swam close to shore and amazed onlookers in Seattle by treating the whale watchers to the rare sight of the apex predators hunting a bird. And the unusual spectacle was all caught on ...

SeaWorld has announced the death of its famed killer whale, Katina. "Katina was 50 years old, and her health had begun to ...

Whales may be known as gentle giants, but they still have a looming presence as the world’s loudest and largest animals. The Antarctic blue whale can weigh up to 400,000 pounds and stretches to 98 ...

Only 92 whale species can be found swimming in the deep, blue seas. One of the most recognizable is the orca, commonly known as the killer whale. These apex predators are the only living species in ...

Marine biologists have documented a remarkable hunting strategy employed by killer whales in the southern Gulf of California, in which they harvest whale sharks' organs. Researchers in Mexico have ...

Killer whales have been seen detaching lengths of seaweed and using them to massage each other—the first evidence of tool-making by marine mammals. The whales bite off the end of a kelp stalk, ...

This article was originally featured on Hakai Magazine, an online publication about science and society in coastal ecosystems. Read more stories like this at hakaimagazine.com. John Ford still recalls ...

Killer whales are known for their intelligence and power, even an inclination to sink yachts. Now, research is showing how they take down prey that few other animals can. Orcas in Mexico's Gulf of ...

The trapped orcas were first spotted by a local fisherman Tuesday morning. A pod of orcas that appeared to be trapped by drift sea ice off Japan's main northern island of Hokkaido has seemingly ...

HONOLULU (KHON) — Whale watchers around Hawaii are crossing their fingers for another glimpse of what could be an albino whale. This particular whale species known as Blackfish resides in Hawaii year ...

Australian wildlife officers have made the difficult decision to euthanize 90 false killer whales stranded on a remote beach in Tasmania, after rough ocean conditions made it impossible to refloat ...