Whales travel through the ocean, lunging, leaping, and playing, with grace and swiftness that belie their huge size. The ...

7) A POD of killer whales sleep by forming a tight circle and ­synchronising their breathing and ­movements. They take breaths together then ­submerge before resurfacing a while later.

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

Researchers focused on the Salish Sea have made an intriguing discovery about Orcas. These whales, which have continually ...

Scientists documented 34 remarkable cases of wild killer whales trying to give food to humans across four oceans over 20 ...

Dubbed "allokelping," it might be a unique cultural phenomenon that's as endangered as the orca population itself ...

Killer whales are known for their intelligence and power, even an inclination to sink yachts. Now, research is showing how they take down prey that few other animals can. Why it matters: The ...

Killer whales bring back wearing salmon hats, but it’s not for fashion. Two orcas from the Pacific Northwest were spotted with dead salmon on their heads, an act first documented in the 1980s.

In 1992, a colleague had returned from a fishing trip in Baja with a story about seeing two killer whales attacking a whale shark. But Ms. Schulman-Janiger was never able to confirm the event.