Orcas have long been revered for their intelligence, adaptability, and group-hunting strategies. But one scientific review spanning two decades has revealed a little-known, yet intriguing behavior ...

What are orcas? Heres killer whale size, appearance, life cycle, population growth, habitat, movements, hunting strategies ...

Pilot whales are the second largest dolphins after orcas. They are gentle giants of the ocean who can be found across most ...

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

Orcas have long been revered for their intelligence, adaptability, and group-hunting strategies. But one scientific review spanning two decades has revealed a little-known, yet intriguing behavior ...

Discover how southern resident orcas use kelp for grooming and bonding, marking the first documented tool use among cetaceans in a groundbreaking study ...

By Marlowe Starling, CNN (CNN) — Behavioral ecologist Michael Weiss was browsing through new drone footage of the orca pods he studies in the Salish Sea when he spotted one of the killer whales ...