Wild cats showcase a stunning diversity of eye colors, proving a mystery for researchers because most wild species are known to have narrow eye color schemes (usually black, brown or yellow). Eye ...

Figure 2 (left side): The predicted colors of the brown eyes of the ancestral felid. The proportion of the square that each shade takes up indicates the estimated proportion of each color that would ...

"The eyes are the window to the soul," notes a timeless quote. And while your eyes also bring the world your way, the origins of eye color are fascinating and even mysterious. To help lay out the ...

Gray and green eye colors are the rarest in the U.S., although extremely rare red color can occur with albinism. Eye color is determined by the amount of melanin in the iris, with more melanin making ...