Orcas, often referred to as "killer whales," have earned their intimidating nickname for a reason. These magnificent ...

Orcas in Mexico's Gulf of California are hunting whale sharks using a highly specialized set of strategies to attack them. Generally, whale sharks have few predators to worry about, being the ...

The orcas hunt whale sharks that gather at feeding sites in the Gulf of California and are not fully grown. The young sharks are typically 3 to 7 meters (10 to 23 feet) in length, making them more ...

Researchers have documented orcas dropping prey and other marine life in front of humans, as if offering us food. The orcas' ...

Researchers have identified a fascinating behavior in killer whales, aka orcas: they sometimes offer to share their prey with ...

Orcas often share food with each other—it’s a prosocial activity and a way that they build relationships with each other,” ...

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

Dubbed "allokelping," it might be a unique cultural phenomenon that's as endangered as the orca population itself ...

Researchers using a new drone say they have observed killer whales finding and modifying stalks of kelp to preen each other.

Killer whales are known for their intelligence and power, even an inclination to sink yachts. Now, research is showing how they take down prey that few other animals can. Orcas in Mexico's Gulf of ...