A long-term study using DNA from whale scat has revealed surprising complexity in the diets of southern Alaska’s fish-eating killer whales.

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 ...

An extremely rare white killer whale calf has been spotted swimming with its orca pod off the coast of California. The white killer whale—who is known as Frosty—was filmed by whale-watching company ...

Killer whales are known as apex predators in the regions they inhabit in each of the Earth's oceans, typically preying on fish, turtles, marine mammals like seals, and even moose. Now, researchers ...