Researchers examining 20 years of data on orca sightings have discovered a worrying trend linked to the receding ice, ...

An exceptionally rare sighting of two orcas, also known as killer whales, has been confirmed in Cornish waters ...

KILLER whales have been spotted giving gifts to humans in “extremely unusual” behaviour, baffled scientists say. Dozens of ...

A study published in the journal Current Biology describes a new example of tool use by a critically endangered population of ...

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

A new study reveals killer whales fashion kelp into tools and use them to groom each other, a possible first for marine ...

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

While well-documented in the Northern Hemisphere and Antarctica, much less is known about killer whales (Orcinus orca) in ...

Killer whale punts a sea lion 20 feet in the air to show calf how it’s done. A killer whale calf that is several months old swims with an adult in its pod during a hunting session.

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 grieving killer whale who made global headlines two years ago for carrying her dead calf for more than two weeks is now a new mother, researchers announced Sunday. "Hooray! Her new calf ...

Killer whales off Mexico have developed coordinated hunting skills to take down whale sharks, adding to their reputation as the ocean's top predator.