Research suggests that your dog may be able to see things that are completely invisible to you. If you look at the size, shape, and general structure of a dog's eye it looks very much like the human ...

How dogs see the world is based on the structure of their eyes. Dogs are dichromats, meaning they only have two color-processing cones, while humans have three. Dogs can see colors, including yellows ...

If you’ve ever wondered if your dog sees the world the same way you do, it’s probably not too surprising to find out that they don’t. But it’s a little more complicated than you might think. For ...

The wild canines that our pet dogs evolved from are "crepuscular," meaning they are usually active at dusk and dawn. This means that they needed eyes that worked well in dim light, which means that ...