Researchers have found that the color of our eyes may hold significant insight into our behaviors, mental health, and ...

Nocturnal animals tend to have proportionally bigger eyes than humans do. They also tend to have pupils that open more widely in low light. So, at the outset, nocturnal eyes gather more light than ...

Light bounces or reflects off most objects, but not everything. When light hits your eye, it actually goes right into it through the opening at the front. The eye then sends signals to the brain.

It's a phenomenon called "eye black." Natural skin absorbs some light, but reflects the rest. This reflection can cause glare and impair vision. Black stripes are supposed to prevent this by ...

Instead, it’s an interplay between the amount of melanin and how it reflects light. Blue eyes (and other lighter colors that ...

As light enters the gator’s eye, it passes through the retina, hits the tapetum lucidum, and reflects through the retina again. This reflection through the eye produces the yellow glow we see wh ...

Learn more about the science behind blackbodies, which take in all the light that hits them and don’t reflect any back.