Using sightings over four decades, researchers have pinpointed three main orca habitats off Australia, with key differences ...

Orcas have long been revered for their intelligence, adaptability, and group-hunting strategies. But one scientific review ...

Killer whales have been documented offering food provisions to humans swimming near them or in nearby boats. Learn more about ...

A northwest Australia killer whale captured on Ningaloo Reef. Photo courtesy John Totterdell (CETREC WA).While well ...

To start a kelp-based grooming session, an orca places the bull kelp stipe on its face and nuzzles against another killer ...

A 21-foot killer whale weighing up to 6,000 pounds died after beaching itself on the Atlantic coast in central Florida Wednesday, the first stranding of its kind ever recorded in the Southeast US.

It’s no surprise that parenthood can be demanding and sacrifices are often made for the sake of offspring. But for female killer whales, the role can be particularly challenging.

J35, a southern resident killer whale also known as Tahlequah, carried her child's body on her head for 17 days across a distance of 1,000 miles in 2018, according to the Center for Whale Research.

The encounter showed the playful killer whale perform a belly roll right beneath the surface of the 21-foot fishing boat. "I mean I could have reached out and touched it," he said.

While there is only one species of killer whale, scientists have documented that many orca populations are adapted to particular habitats. Each appears to prey on specific animals, including whale ...