If we look across the whole of the mammal branch of the tree of life we find there are many groups of mammals that have ...

Humans aren't the only animals with Good Samaritan tendencies: elephants, chimps and dolphins have all been known to come to ...

Princess Kate and Prince William have been alerted to a growing health concern near their Windsor home, as a potentially ...

PBS caught some amazing footage of mountain gorillas humming and vocalizing through the eyes of a robot gorilla spy.

So, what animal has the best vision? In reality, there's no easy answer — but there are certainly some standouts. "There is ...

From their odd appendages to their unsavory hygiene, certain animals suffer an image problem. But their awkward attributes ...

The vision of birds of prey is often cited as one of the most advanced in the animal kingdom. These hunting birds spot their ...

This classic brain teaser, created by American printmakers Currier and Ives in 1872, features 16 figures cleverly hidden ...

Optical illusions create a lot of curiosity and spark widespread conversations, making us aware about our visual abilities ...

Eye-tracking studies, reported on by The Guardian, have shown that dogs have a protocol for sizing each other up. They first ...

A new viral video shows just how nimble these tiny primates are. Discover what makes bush babies so unique and active.

In training, this angry and unpredictable behavior can cause them mental anguish. A study published in PLOS One determined ...