Roach fish that migrate between different lakes and water courses have larger pupils and better eyesight than roach that stay ...

Sunlight filtered through the trees of a rainforest in northern Peru and illuminated an “iridescent” creature. Its “golden” eyes scanned the surroundings — but it wasn’t the only one looking. Passing ...

Eyes are not merely for seeing: they are windows to the soul. They tell a story, keep secrets, and can even be hypnotic. The ...