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 ...

Killer whales are the only natural predator of baleen whales—those that have "baleen" in their mouths to sieve their plankton ...

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

Recent findings used wildlife forensics and citizen science data to provide the first confirmed evidence of killer whale ...

Pack-ice killer whales are highly social creatures, communicating through various vocalizations like pulsed calls and whistles. For the first time, researchers have recorded these vocalizations and ...

The islands have long been a popular destination for bird-watchers, but now two particular species are attracting growing audiences – orcas and otters. Orcas, or killer whales, are being spotted ...

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

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

Two Los Angeles-area boaters on Saturday spotted a juvenile gray whale that had recently been killed by orcas and was missing most of its head. Alisa Schulman-Janiger, director of the ACS-LA Gray ...

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 ...