Eyes, those fascinating windows to our souls, are also incredibly varied. From a vibrant blue to a warm brown, each shade seems to have its own story to tell. Of all the colors that exist, one shade ...

However, most cats with heterochromia (which is also referred to as "odd colored eyes") are white, because melanin is ...

Have you ever locked eyes with someone and wondered how rare their eye color is? While some people have striking blues or deep greens, the truth is that most of the world shares just a few dominant ...

Eye color is determined by the amount of melanin present in the iris of the eye, which develops as newborn babies grow.

Brown eyes, hazel eyes, green eyes, blue eyes — these are the standard shades for the windows to our soul. But which hair color most typically accompanies each? Blond hair and blue eyes are a common ...

When it comes to dog's coats, merle one of the most jaw-dropping color patterns around. Also known as "dapple," the end result looks like a breathtaking splatter painting—irregular splotches of dark ...