A surprising new study now shows that orcas have a softer, possibly even romantic, side as they are caught kissing on film ...

Orcas, also known as killer whales, are among the most intelligent and social of marine mammals. They live in tight-knit pods ...

Orcas have been spotted giving each other rubdowns with kelp tools, rubbing pieces of the seaweed between their bodies.

The more we learn about orcas, the more remarkable they are. These giant dolphins are the ocean's true apex predator, preying ...

In the first known toolmaking by a marine mammal, southern residents have been documented detaching lengths of seaweed and ...

When she posted her activity video on TikTok, some fans were concerned about her safety especially since sea lions are prey ...

Humans have driven sharks and their cousins to the brink of extinction. The health of the entire ocean is at stake.

(A) A young orca named Fossey offers eagle ray liver to Ingrid N. Visser underwater in the Western South Pacific. (B) An orca presents a whole mobula ray to Leonardo González on a boat in the ...

Off the coast of New Zealand, orcas even know how to flip great white sharks upside down, putting the sharks into a paralyzed state called tonic immobility. Orcas are intelligent and discerning ...