Math isn't just a human thing. All kinds of animals, from African grey parrots to chimpanzees, are thought to have some kind of mathematical ability, but it can be hard to test. Now, a new study finds ...

The video examines an unusual intelligence test comparing a crow’s problem-solving skills with those of a typical fifth ...

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With a population of over 27 million and counting, crows seem almost ubiquitous across the US. Their loud “caws” are hard to miss, and the tone of these cries varies depending on what the birds are ...

Crows don’t just remember humans. Here’s a breakdown of how they form opinions, assign reputations and teach each other who to trust. If you’ve ever felt like a crow was watching you a little too ...