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They amuse us by wearing salmon hats, enrage us by sinking our expensive yachts, and now they have been documented sharing their meals with us – why?

Prior to this instance, the “tongue-nibbling” had only been observed a handful of times in captivity. First seen in captive ...

A surprising new study now shows that orcas have a softer, possibly even romantic, side as they are caught kissing on film ...

In what is being described as social and grooming behavior, Southern Resident orcas are using kelp to massage one another.

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

The team ran experiments offering people who returned bottles the option of getting a typical ten-cent payout—or the small ...

A nimals using tools is always a pretty cool facet of their behavior, from monkeys cracking nuts to elephants sabotaging ...

From wearing salmon hats to sinking yachts and some impressive marine tool use, orcas can really do it all. Now it seems that they are also taking over the dance world, with some impressive ...

In the cool, clear waters of the North Pacific, killer whales engage in unusual behavior. They glide beneath the surface with long ribbons of kelp clutched in their teeth. They approach a pod mate, ...

The discovery — published June 23 in Current Biology — constitutes the “first evidence” recorded of tool-making by marine mammals. “ We were amazed when we first noticed this,” Michael Weiss, the ...

One fashion trend from the ’80s may be making a comeback – at least with killer whales. An orca has been spotted wearing a salmon hat for the first time since 1987.