In each of these cases, the killer whales approached the people on their own and dropped their prey in front of them. “This ...

Scientists say rare behaviour observed in Pacific Northwest shows how much we still don’t know about marine mammals ...

For almost two minutes two killer whales hovered, jaws slightly open, trading gentle nibbles to each other’s tongues before ...

Killer whales are the only natural predator of baleen whales—those that have "baleen" in their mouths to sieve their plankton diet from the water. More solitary than toothed whales, baleen ...

Dave Phillips, a scientist that helped to rewild Keiko, the orca who starred in "Free Willy," is working to help two other killer whales, Wikie and Keijo, move from a closed marine park to a sea ...

Killer whales rarely risk hunting leopard seals ... - He's still up there but fighting to stay on. When you think about the amount of energy that is expended to catch one seal.

In 1992, a colleague had returned from a fishing trip in Baja with a story about seeing two killer whales attacking a whale shark. But Ms. Schulman-Janiger was never able to confirm the event.

New research from the University of Washington finds some baleen whale species call at such deep frequencies that they’re completely undetectable by killer whales, which cannot hear sounds below ...

Killer whales are known for their intelligence and power, even an inclination to sink yachts. Now, research is showing how they take down prey that few other animals can. Why it matters: The ...

Pod of Bigg's killer whales caught on video in rarely seen bird hunt off Seattle 00:53. A pod of orcas swam close to shore and amazed onlookers in Seattle by treating the whale watchers to the ...

Killer whales (Orcinus orca) are finding a new place to roam in the rapidly changing Arctic Ocean.Though Indigenous people in the region have seen the whales, also known as orcas, pop up ...

Marine experts have given up hope of rescuing more than 150 false killer whales that stranded on a remote beach on Australia's island state of Tasmania, officials said on Wednesday.. Experts ...