Scientists found evidence that killer whales may hunt and eat other killer whales, revealing new insights into how ...

Killer whales and dolphins have been found hunting together for the first time. Canadian scientists said the two species had developed a “strategic allegiance” to hunt salmon in deep water. A study in ...

The discovery came as a surprise, because the two species usually prefer to avoid each other and keep a safe distance.

While killer whales (Orcinus orca) can trigger the immediate departure of white sharks (Carcharodon carcharias), extended absences from their aggregation sites are also part of the sharks' natural ...

When three killer whales struck the Lady L, Heath Samples thought a tanker had collided with his yacht, as everyone on board was knocked off their feet. After the orcas repeatedly buffeted the yacht, ...