"... Its prevalence is extremely low — it may appear and then not be observed again for several years," the study’s co-author ...

The encounter, observed by snorkelers in Norway, "involved repeated episodes of gentle, face-to-face oral contact." ...

Two killer whales have been caught "kissing" on camera in a fiord in northern Norway. A group of ...

Like a proud cat leaving a bird on its owner's doorstep, orcas—also called killer whales—may sometimes offer to share their ...

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

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

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

Southern resident killer whales have been caught on drone video crafting kelp tools to groom one another—an unprecedented ...

Many folks in southern coastal areas know about strand feeding, the remarkable fish-catching behavior demonstrated by ...

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