Scientists have documented what might be the first case of friendly interactions between killer whales and smaller cetaceans.

Killer whales, also known as orcas, are incredibly intelligent apex predators. As such, researchers have been observing the ...

Collectively, both whales and dolphins, as well as their porpoise cousins, are known as cetaceans. The cetacean order comprises two subgroups: baleen whales (including gray whales, right whales ...

On more than 30 occasions and across four oceans, orcas have attempted to share their prey with people, potentially to ...

Orcas were spotted using kelp as a grooming tool on each other, the first known use of tools among cetaceans for something ...

"The orcas catch the dolphin, but let it go after it's subdued because it's not as fast anymore, and they bring the baby orca over to try and catch it itself," said Domenic Biagini, a wildlife ...

Orcas have been spotted hunting down an unexpected dinner off the coast of Chile in a particularly brutal way. The matriarch of this orca pod was seen flinging a dusky dolphin into the air during ...

Two orcas and 12 dolphins remain trapped in Marineland Antibes, which is closed since January 2025, located near the renowned city of Cannes.

Killer whales are known for their haunting songs consisting of complex whistles and clicks, but they can also learn "dolphin speak," a new study finds. She and her team collected sound recordings ...

Killer whales are known for their haunting songs consisting of complex whistles and clicks, but they can also learn "dolphin speak," a new study finds. Most animals communicate with innate sounds ...