Two severed fins bearing the tooth marks of other killer whales have raised a troubling question: are some orcas hunting ...

A study in 2018 revealed that some orcas are able to imitate human speech, mirroring words such as 'Amy', 'Hello' and 'Bye ...

New Canadian-led research into northern resident killer whales suggests even when food is plentiful, orca moms struggle to ...

Police responded to an unusual call when a pilot whale calf was found stranded on the beach in Florida. It happened on Monday afternoon along the beaches of Pelican Bay in Naples, Florida.

Orcas appear in Vancouver Harbour from time to time and often delight residents who catch a glimpse of them. But marine experts say three whales spotted there last week are unlike any previously ...

, March 10 -- Scientists have found possible evidence suggesting that some killer whales may hunt and eat their own species in waters near Russia.

Orcas, or killer whales, are deadly and beautiful apex predators.

Orcas don’t have any natural predators, so how did this happen? The tooth marks, it turned out, were distinctive – they were ...

Scientists found evidence that killer whales may hunt and eat other killer whales, revealing new insights into how ...

Detached orca fins scored with distinctive tooth marks suggest that killer whale cannibalism is happening — and it might ...

Editor’s note: We’ll bite. Folks, why should we bother saving orca whales? Kids, you, too. Send your letters with your name, address and phone number to letters@heraldnet.com. Letters of 250 words or ...

Whale biologist Nan Hauser was pushed through the water by a 50,000-pound humpback whale for over 10 minutes as a 15-foot ...