Killer whales, also known as orcas, are not just powerful hunters or majestic swimmers. They may also be attempting to connect with humans in a surprisingly thoughtful way—by sharing their food.

Orcas, or killer whales, are deadly and beautiful apex predators. Here's when a top economist says the US will see the most ...

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

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

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.

Killer whales have been seen detaching lengths of seaweed and using them to massage each other—the first evidence of tool-making by marine mammals. The whales bite off the end of a kelp stalk ...

Discover how killer whales craft kelp tools for grooming, showcasing unique social behaviors and cultural traits in marine mammals.

Orcas have been filmed using kelp as a tool to massage each other ...

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, displaying complex social structures and sophisticated communication. New research provides fresh evidence for this, documenting how these ...

Killer whales off the west coast of North America have been spotted making and using tools to groom each other, the first time such behaviour has been recorded in marine mammals.