A video of the woman approaching the whales was posted to YouTube and later used as evidence in court. The judge ruled it ...

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

How big they are: Up to 32 feet (9.8 meters) long How long they live: Up to 100 years, but usually around 25 to 50 years What they eat: Fish, seals, seabirds, squid, sharks, and even whales Orcas ...

According to their results recently published in the journal Ecology and Evolution, the culprit is clear: a killer whale ...

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 adult female, seeking a new home with her calf after the closure of Marineland in France, faces the grim reality of ...

Orcas, like humans, get baby bumps in the early months of pregnancy and grow larger as the pregnancy advances. Researchers ...

Some baleen whales avoid killer whale attacks by singing songs at deep frequencies that their predators cannot hear.

A proposed retirement home for marine park whales on Nova Scotia's Eastern Shore has hit another hurdle. France has denied an application to transport two orcas from Marineland Antibes to the ...

Orcas, also called killer whales, are apex predators of the ocean. Their intelligence, hunting skills, and sheer power make ...

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 ...