Can a monkey, a pigeon or a fish reason like a person? It's a question scientists have been testing in increasingly creative ways - and what we've found so far paints a more complicated picture than ...

It turns out humans are not the only ones who can make these kinds of mental leaps. In labs around the world, researchers have tested many animals, from primates to birds to insects, on tasks designed ...

The Organization of Islamic Cooperation, being held in the same city, issued a statement urging Armenia to accept ...