New research reveals that orcas around the island of Hokkaido can be split into two distinct forms, offering conservationists important information that can help protect the animals.

In Patagonia, killer whales snatch seal lion pups from the shore. But as Steve Backshall recalls, these apex predators don’t ...

New research shows southern resident killer whales grooming each other using kelp they’ve modified, and researchers think it’s the first time researchers have documented marine mammals making tools.

Across the world’s oceans, killer whales share the same striking black‑and‑white look yet live radically different lives. Some populations hug familiar coastlines generation after generation, while ...

Orcas, also known as killer whales, are among the most well-studied marine mammals, captivating the public and scientists alike with their intelligence, strong social bonds and complex behaviors.

One of the world’s largest mammals, the humpback whale is an incredible species for many reasons. They may even be the ocean’s protectors. Researchers have witnessed humpback whales intervening during ...

Orcas, or killer whales, are deadly and beautiful apex predators. Smithsonian removes Trump impeachment text as it swaps his ...

Primates, birds, and elephants are all known to make tools, but examples of tool use among marine animals are much more limited. Reporting in the Cell Press journal Current Biology on June 23, a team ...

A pod of four transient killer whales — including a calf — was spotted Sunday, May 10, 2025, swimming out of the Yaquina River toward the ocean. It’s the latest in a steady stream of orca sightings ...

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, ...