You can watch PBS on television via most cable TV packages — check your local listings for details. You can also live stream "Expedition Killer Whale" for free on the PBS website and app, which will ...

Over a year after a dead 15-foot shark was found with mysterious bite wounds and stripped of its internal organs, DNA ...

Avoiding predators is one of the most important jobs for many members of the animal world. Even ocean giants like baleen whales have something to fear from killer whales, their only known natural ...

The recent autopsy of a partially devoured great white shark confirms a brutal hunting trend—killer whales around the world ...

New research finds some baleen whale species call at such deep frequencies that they're completely undetectable by killer whales, which cannot hear sounds below 100 hertz. These also tend to be the ...

Based on DNA analysis from the bite wounds on the carcass of a large white shark washed ashore near Portland in Victoria in ...

A pod of killer whales made an unexpected visit off the coast of Orange County Thursday. The pod of CA56 killer whales (orcas ...