SeaWorld Orlando officials announced the death Sunday of a 50-year-old killer whale named Katina.

SeaWorld Orlando announced that Katina, a killer whale in captivity for most of her 50 years, including 40 years at the ...

A short ocean video has suddenly caught everyone’s attention online. People are sharing it again and again because it shows a ...

A dramatic video showing a pod of adult orcas, better known as killer whales, chasing a lone penguin has gone viral on social ...

Scientists have found evidence that two unlikely collaborators — killer whales and dolphins — may be helping each other find and feast on salmon off the coast of British Columbia.

Scientists say dolphins and orcas have teamed up to hunt salmon off British Columbia. It’s the first time such behavior has ...

Killer whales work together in tightly coordinated pods to hunt some of the ocean’s most powerful predators, including sharks ...

Like corn kernels in slowly heating oil, the orca sightings began sparse and unpredictable. But at some imperceptible moment, ...

That was the word last night from two of the researchers who have seen the calf up close, Mark Sears and Maya Sears, the West ...

As the whale watching boat slowly approached, the passengers saw something strange in the water—an 80-foot cloud of red-brown liquid. Just minutes later, an orca hurled a small whale into the air.

The first documented case of cooperative hunting between killer whales and dolphins has been observed in the waters off ...