ALERT BAY, British Columbia — You’re floating in the ocean when a massive killer whale approaches and gently releases a piece of prey right in front of you, then waits to see what you’ll do. It might ...

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.

When researcher Jared Towers set up his cameras underwater to observe a pair of killer whales, he saw something strange.One of the orcas, a juvenile female, “approached a camera I had in the water to ...

Scientists thought they were perhaps the offspring of one female with genetic aberrations. It’s been 14 years since Bob Pitman set out to find an unusual-looking type of killer whale. It had been ...