O rcas are easily recognized by their jet-black bodies punctuated with striking white markings, most notably the “eye patch” ...

Within minutes, five orcas surrounded them, curiously circling the jet ski and boat for about half an hour. The pod included ...

Charlotte Rampling and Richard Harris are the heavy-hitting Oscar nominees facing off with a big plastic whale.

They amuse us by wearing salmon hats, enrage us by sinking our expensive yachts, and now they have been documented sharing their meals with us – why?

This shared activity, which was captured using drone footage, is notable because it is the first time scientists have observed orcas using tools for the benefit of mutual grooming. How much do you ...

The white belly of a great white shark serves a surprisingly useful purpose.

Caption: Chimo the transient white whale was paired up with Haida, a southern resident orca, to perform at Sealand of the Pacific in Oak Bay, B.C. In the wild, transients and southern residents do not ...

Each orca female gives birth to only one calf at a time. The calf’s dorsal fin and tail flukes are soft and malleable in the first few days after birth. They stiffen over time as the orcas grow.

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.

Similä tells an orca story that shows how little we know about them. In 1996 the team spotted a calf with a spine and dorsal fin that had been severely injured, probably from a boat strike.

He’s known for his distinct dorsal fin and behavior of entering bays and river mouths — a habit that occasionally brings him within clear view of shore-based observers.