Researchers have identified a fascinating behavior in killer whales, aka orcas: they sometimes offer to share their prey with ...

Like a proud cat leaving a bird on its owner's doorstep, orcas—also called killer whales—may sometimes offer to share their ...

In a recent study published in the Journal of Comparative Psychology, scientists from Canada, New Zealand, and Mexico ...

Killer whales are at the top of the food chain and have no natural predators in the ocean, so the biggest threat to orcas is humans. In fact, whaling (the act of hunting whales) is still practiced ...

Keeping track of hundreds of orcas is being made simpler with the help of an AI algorithm that can identify individual killer whales with 92% accuracy.

A killer whale chases a dolphin off Laguna Beach, California on Dec. 24, 2023. (Newport Coastal Adventures) Orcas are seen off the coast of the Palos Verdes Peninsula on Dec. 16, 2023.

This is concerning to conservationists because sharks help regulate other predatory species. A decline in shark populations can have ripple effects further down the food chain, lead author Dr. Alison ...

Two killer whales have killed dozens — if not hundreds — of sharks, including the vaunted great whites, ... instances of them targeting bigger ones at the top of the food chain were rarer.

A new study reveals how a group of killer whales is able to hunt whale sharks, ... Jorgensen says it just shows why killer whales are at the very top of the food chain. Lauren Sommer, NPR News.