The southern resident orca population marked the turn of the year with both heartbreak and hope: the death of a newborn calf ...

Scientists said the presence of killer whale DNA on the great white shark was the result of a "true predation event".

Over time, that name morphed into "killer whales." Scientists don't know whether orcas kill for fun. The marine mammals do some things, like killing and tossing dead porpoises in the air ...

Onlookers got the chance to see sea creatures hunt sea lions in California, described as an “astounding” moment. Watchers were in the bay Nov. 24 when they saw three killer whale pods ...

Like sperm whales, sea lions are highly vocal animals, but they operate in a very different ecosystem. Many sea lion populations are found in the dense kelp forests that form a great highway along ...

Two Los Angeles-area boaters on Saturday spotted a juvenile gray whale that had recently been killed by orcas and was missing most of its head. Alisa Schulman-Janiger, director of the ACS-LA Gray ...

Members of the marine mammal rescue group Dolphins Plus Marine Mammal Responder walk with a Pygmy killer whale that was found stranded off the beach at Long Key State Park in the Florida Keys on ...

Animal activists had been angered by Marineland’s plans to transfer its two killer whales to Japan, a move France’s ecology minister said she opposed over Tokyo’s more lax animal welfare laws. The ...

A French marine park on Sunday closed down definitively over a 2021 law banning shows featuring marine mammals, leaving uncertain futures for the two last orcas in captivity in the country ...

Follow a team of scientists and filmmakers as they explore the lives of killer whales. In Antarctica, killer whales hunt using their intelligence and teamwork. Swimming together to create powerful ...

The two orcas -- also known as killer whales -- themselves face an ... animals of 150 different species including dolphins, sea lions, turtles and fish also remains unclear. Marineland was hit ...

though they would still be free to get closer to Bigg’s killer whales, which are not endangered and are involved in most encounters. For larger ships, MacDuffee said the Salish Sea needs a hard ...