Orcas were spotted using kelp as a grooming tool on each other, the first known use of tools among cetaceans for something ...

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.

Tahlequah first garnered worldwide recognition in 2018 when the killer whale carried her dead calf on the back for 17 days.

The footage shows Sophia, the leader of a killer whale pod, spotting a swimming great white shark and body-slamming into the predator.

The researchers’ analysis revealed exactly how the killer whales, often hunting as a group, subdue the whale shark. First, the orcas use their bodies to hit a whale shark at high speed.

In an Instagram video of the incident, which happened back in February, the man flops into the water, almost missing the orca, popularly known as a killer whale, and a calf swimming near it, the ...

A New Zealand man has been fined over a social media video in which he tries to “body slam” an orca swimming next to his boat.

Divers captured the shocking footage of an orca tearing a shark open and "slurping" out its liver, a hunting technique that is rarely observed by humans.

A new orca whale calf was spotted by members of the Center for Whale Research alongside its mother, according to a press release from the organization.

An endangered fin whale whose carcass washed ashore in San Diego’s Pacific Beach had bite marks from killer whales over its body, which may have led to its death, according to the National ...

A giant 21-foot killer whale weighing an estimated 3-and-a-half tons has died after beaching itself.

A New Zealand man has been fined over a social media video in which he tries to “body slam” an orca swimming next to his boat, in what officials called “stupid” and “extremely ...