Add Yahoo as a preferred source to see more of our stories on Google. Orcas, or killer whales, are deadly and beautiful apex predators. I struggled to pay for fertility treatments until I found a ...

Orcas, also known as killer whales, are one of the ocean’s most powerful predators. Despite their nickname, attacks on humans are extremely rare. While orcas are capable of harming people, most ...

Learn more about a group of orcas in the Pacific Northwest that have been observed making and using tools to groom each other. Many members of the animal kingdom, from birds to elephants, have been ...

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.

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, ...

A seven-year collaborative study has revealed alarming fluctuations in the health of Hawaii's endangered insular false killer whales, with some individuals losing nearly a quarter of their body weight ...

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 ...

Orcas, or killer whales, are deadly and beautiful apex predators.