Learn more about why beluga whales don't have dorsal fins and why they have extra neck vertebrae.

The endangered group near the main islands is down to an estimated 138 dolphins, according to the study. Itʻs the only ...

The endangered group near the main islands is down to an estimated 138 dolphins, according to the study. Itʻs the only ...

The Georgia Department of Natural Resources on Monday asked social-media followers: “Where’s the whale?” The quiz is part of ...

A recent photo of an orca swimming with a salmon on its head has fueled speculation that the fad, first observed in the 1980s ...

A group of sea creatures were seen hunting sea lions off the coast of California, officials said. Onlookers were able to get ...

The pod of three, known as CA223, displayed hunting behavior and included the matriarch of the pod, an orca with a short and wide dorsal fin, officials said. A pod of killer whales was seen ...