A new study reveals killer whales fashion kelp into tools and use them to groom each other, a possible first for marine ...

Orcas are brilliant creatures. Their brains are highly developed when it comes to problem-solving skills, cognition, and ...

For the first time, orcas have been seen making and using tools out of seaweed. The reason? Most likely as a form of social ...

A discovery of unique killer whale behavior may be the first documented time a marine species has been seen using and ...

This is the first documented evidence of its kind of marine mammals fashioning tools out of objects in their environment, ...

Southern resident killer whales are using kelp for what scientists suspect are both hygienic and social purposes.

In the first known toolmaking by a marine mammal, southern residents have been documented detaching lengths of seaweed and ...

The more we learn about orcas, the more remarkable they are. These giant dolphins are the oceans true apex predator, preying ...

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?

Lobster fishermen in northern Cape Breton got an up-close glimpse of a pod of killer whales this week, a sighting that a marine biologist says is on the rise.