, March 10 -- Scientists have found possible evidence suggesting that some killer whales may hunt and eat their own species in waters near Russia. The discovery comes after two severed fins of killer ...

Blue whales, the largest animals on Earth, have been spotted not far off the coast of Massachusetts in what the New England ...

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

A new study shows that as humpback whale populations recover from past whaling, older males are gaining a major advantage in reproduction. Early in the recovery, breeding groups were dominated by ...

It's long been thought that the Southern Resident orcas that live in our region have no predators, but Bigg's orcas might be ...

Marine experts are baffled by a series of “bloodthirsty” seal attacks on common dolphins along the British coast. Specialists believe that this shocking behaviour could be limited to a single killer ...

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 ...

Matthew I. Thompson receives funding from the Social Sciences and Humanities Research Council of Canada. University of Regina provides funding as a member of The Conversation CA-FR. University of ...

Captured off the coast of San Diego, the astonishing video pictured above captures the moment that a dolphin is punched on the chin by a killer whale. The dolphin rises above the surface, but the orca ...

I was on a whale-watching trip Wednesday aboard the Legacy off San Diego when dolphins stole the spotlight in spectacular fashion. We had just observed a southbound gray whale that did not stay near ...

Whales are mighty. Blue whales, for example, aren’t only the largest animal on Earth, but as far as we know, they’re the largest animal that’s ever existed on Earth—and that includes dinosaurs.