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

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

After the hunt on Monday, Biagini said the orcas started to approach boats and poke their heads out of the water to see what is going on — a behavior known as spy hopping.

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

A pod of orcas damaged a boat and left its two-person crew stranded. It was the latest in a string of attacks that research suggests could be used for hunting practice.

A striking replica of the fishing boat Orca, seen in “Jaws,” will be returning to the Island as a tribute to the cinematic icon. The Orca will dock in Oak Bluffs Harbor for a viewing at Nancy’s on ...

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

A group of orcas off the coast of California has honed a brutal set of hunting skills. Trapping prey near an underwater canyon, they flip, drown, ram, and slap their targets to death.

The sea lion nearly caused the boat to flip over. Orcas, or killer whales, are known for feasting on sea lions and seals. The apex predators have fearsome hunting techniques.

One of the planet’s most capable apex predators, orca whales can take on great white sharks all by themselves, attack boats, and have tight matrilineal family bonds.Now, a new study combined ...

Too many boats with inexperienced operators around a pod of orcas runs the risk of impeding their hunting behavior or potentially hitting them, said Schulman-Janiger.