In a baffling show of generosity, killer whales across the globe are giving fish to humans—and scientists are racing to ...

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

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

Researchers have identified a fascinating behavior in killer whales, aka orcas: they sometimes offer to share their prey with ...

Dubbed "allokelping," it might be a unique cultural phenomenon that's as endangered as the orca population itself ...

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

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.

Southern resident killer whales have been caught on drone video crafting kelp tools to groom one another—an unprecedented behavior among marine mammals. This suggests a deeper social and ...

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 ...

The behavior could be the first-ever documented accounts of wild predators offering their food to people. In a nutshell Wild killer whales have been documented offering food to humans 34 times ...

A well-known male killer whale was spotted June 9 traveling alone through Yaquina Bay and along the central Oregon coast, drawing attention from researchers, photographers and onlookers as he ...