Another super-smart border collie named Rico could learn new toy names just by figuring out which one he didn’t know yet. These dogs understand pointing, can tell when you’re happy or sad, and some ...

The global search for the most intelligent animals has become one of science’s most captivating pursuits. From jungles to oceans to treetops, researchers are continually discovering surprising new ...

Leticia Fanucchi does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...