A study published in Nature Communications reveals the first documented case of blue eyes in a 17,000-year-old newborn from the Paleolithic era, born with a heart condition. The remains of the ...

Like most human traits, blue eyes are determined by genes, and no two people have exactly the same hue. It works a lot like ...

Only 9% of Americans have green eyes, compared with 45% who have brown eyes and 27% who have blue eyes. But it’s not quite that simple. See, we like to think there’s a rainbow of eye color ...

When evolution skeptics want to attack Darwin's theory, they often point to the human eye. How could something so complex, they argue, have developed through random mutations and natural selection ...

Human eyes are actually spheres ... and the cones see the colours: red, green and blue, and all the millions of shades in between. The rods and the cones send information about shapes and colours ...

Whereas human eyes contain three types of colour-detecting cells, called cones, dogs have just two. Their cone cells are specialised for picking up yellow and blue-to-ultraviolet light. Each cone type ...