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 ...

So, what’s the one color of toy you should never buy for your dog? Many pet companies sell dog toys in bright shades like red ...

Each animal species has evolved unique eyesight adaptations that suit their survival needs. But just how far can these ...

This gorgeous black Lab went blind a few months ago. Her dad left for deployment when she still had her sight. Watch the ...

Sometimes, however, the reasons dogs and cats seem to be seeing ghosts might be rather mundane.

As dogs and humans age, the kidneys become less effective, and the study authors found that as kidney function declines, the amino acids build up, possibly explaining why some dogs age more healthily ...