Gray and green eye colors are the rarest in the world. Eye color is determined by the amount of melanin in the iris, with more melanin making eyes darker. A genetic mutation 10,000 years ago caused ...

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 ...

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 ...

Every single puppy in the world is cute in their own way. Some are more traditionally adorable, while others have a unique quality or quirk that makes them truly unforgettable. Scrolling through ...