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

Scientists confirm that orcas and dolphins have lost the ability to return to dry land due to irreversible evolutionary ...

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

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 ...

Learn more about how baleen whales split into two groups — fight or flight — and how these groups determine how loud they sing.

Over time, that name morphed into "killer whales ... most likely happened because the animal mistook the surfer for a seal. Although wild killer whales do not intentionally harm people, they ...

Socializing is an essential element in the lives of pack-ice killer whales. - These animals are not just hunters. They're complex social animals with tight family units and even tighter family bonds.

Footage captured in May 2022 shows an aerial view of killer whales hunting and killing great white sharks at Mossel Bay, ...

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

Trading ivory from a hippopotamus, narwhal, killer whale and sperm whale has been banned in the UK as part of conservation ...

After a 38-foot-long female gray whale washed ashore at Dockweiler Beach, scientists look for a cause of death: 'Each mortality has a story to tell.' ...