Three mystery whales have been surprising whale watchers from Canada to Olympia. When somebody gets the thrill of seeing an orca in Northwest waters, that whale is almost always well known. Scientists ...

Blue whale calves enter the world already the size of a bus, yet they still face danger. A hungry killer whale sees a slow, inexperienced target guarded by a single adult. However, orcas cannot reach ...

A killer whale was filmed delivering a high-speed strike to a giant ocean sunfish during a rare underwater hunt in Baja ...

A dolphin murder mystery is playing out on Patagonia’s shores: multiple mass strandings, with scores of dolphins washing up for no easily discernable reason. In one such event in 2021, for example, 52 ...

Researchers suggest that predation by a subspecies called Bigg's orcas might explain why members of another one, called ...

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 ...

In 2022, a Russian whale researcher made a remarkable discovery on Bering Island off Russia's Pacific coast: a severed killer ...

Killer whale research occupies a vital space in marine ecology, illuminating the complex interactions between apex predators and their environments. Despite ...

Orcas are among the ocean’s top predators, yet there is only one well-documented attack on a human in the wild: in 1972, a surfer was bitten – probably because he was mistaken for a seal – but ...