Add Yahoo as a preferred source to see more of our stories on Google. It’s a fascinating question that intrigues millions of pet owners, animal lovers, veterinarians and scientists all over the world: ...

If you liked this story, share it with other people. Southern resident killer whales in the Salish Sea off the U.S. state of Washington have been observed making tools from bull kelp stalks, biting ...

FRIDAY HARBOR, Wash. — In a paper published this week, researchers shared evidence indicating Southern Resident orca whales may not only use tools, but they are fashioning them to complete a specific ...

Early humans were regularly using animal bones to make cutting tools 1.5 million years ago. A newly discovered cache of 27 carved and sharpened bones from elephants and hippos found in Tanzania’s ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com. Are animals smart? – Deron It’s a fascinating ...