Marineland, the shuttered amusement park in Ontario, Canada, reissued threats to euthanize 30 beluga whales and four dolphins ...

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

For decades, humans and killer whales hunted together in the waters of Twofold Bay. Orcas herded massive whales into shallow ...

Aerial drones also revealed the structure of the hunt: dolphins spread out in a scouting line, driving fish toward the ...

A GANG of killer whales terrorising boats off the coast of Spain have developed their own unique language, scientists claim. The pod’s ferocious leader White Gladis has been captured ...

'Amongst all the different killer whale populations around the world, there's only a couple that have been observed doing this behavior,' one expert said ...

A group of killer whales that has been attacking ships off the coast of Spain for several years, according to scientists, has ...

Footage from Gone Whale Watching San Diego shows Fin the rescue dog getting close to two wild humpback whales while out with ...

New movie Killer Whale puts two best friends at the mercy of orca Ceto who thinks she is still trapped in captivity.

Federal officials say final permits will depend on health checks and confirmed care plans at accredited U.S. aquariums ...

Authorities have launched an investigation after a dead whale was found on the bow of a ship coming to port at a marine ...

The once-booming population that passed California twice a year has cratered because of retreating sea ice. A new kind of intervention is needed.