For a long time, scientists judged animal intelligence by how closely it resembled human behavior. That left a lot unnoticed.

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 ...

As a great ape, the chimpanzee possesses intelligence superior to most animals on the planet. A chimp’s genes determine about half of its intelligence, while environmental factors make up the other ...

Add Yahoo as a preferred source to see more of our stories on Google. Many animals have been studied and observed to have an incredible capacity for intelligence. Some of the most commonly cited ...

In nature, interactions between species are often framed in terms of survival—those that hunt and those that are hunted. But research is showing some animals form surprising partnerships, reshaping ...

Wild crows are far more observant than the average passerby might think, especially when it comes to identifying potential threats. Researchers at the University of Washington discovered that these ...

Why does it make me so happy to think that other animals are intelligent and social like human beings? It's especially nice when they aren't known for having wars or some other less impressive human ...

An international team of researchers has found evidence that both total brain size and the size of a brain in relation to the body are factors that determine intelligence in animals. In their paper ...