Orcas have long been revered for their intelligence, adaptability, and group-hunting strategies. But one scientific review ...

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

Return of orcas, humpbacks has been decades in the making, following the end of commercial whaling in B.C. in late 1960s ...

Scientists documented 34 remarkable cases of wild killer whales trying to give food to humans across four oceans over 20 years.

Killer whales appear to be inviting humans for lunch, a new study suggests. The research investigated unusual occurrences of orcas in four oceans attempting to share prey with people. More than ...

Despite their menacing names, killer whales are highly social, playful creatures that form special bonds within their pods. The marine mammals have been known to care for their sick or injured peers ...

Killer whales have been caught on video breaking off pieces of seaweed to rub and groom each other, scientists announced Monday, in what they said is the first evidence of marine mammals making ...

Killer whales are known for exceptional intelligence, ... New research provides fresh evidence for this, documenting how these marine mammals use stalks of seaweed as tools to groom each other ...

Orcas in the North Pacific have been seen "massaging" each other - rubbing pieces of kelp between their bodies. Using drones, researchers filmed the animals selecting and biting off the kelp, then ...

Scientists have documented what might be the first case of friendly interactions between killer whales and smaller cetaceans. Here's what they think is going on.

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

The whales use quick body movements to tear pieces of bull kelp for use as tools, perhaps the first known toolmaking by a marine mammal.