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 ...

Dogs can’t tell us what time means to them — but maybe we can try and understand if dogs have a sense of time and how they perceive it. If you have a dog, you've probably had an experience like this.

Of course, we want our pups to be happy from head to tail, but what does happiness look like in dogs? Dog behavior is complex ...