They say the eyes are "the window to the soul" and there's certainly much to be told about the enigmatic complexity of their varied colors. Dr. Rupa Wong, a board-certified ophthalmologist who owns ...

Voyager 2's image of Neptune released shortly after the flyby in 1989 (left) with the newly reprocessed version in true colour (right). A new study suggests that Neptune and Uranus are a similar shade ...

Scientists conducting targeted retinal stimulation claim to have discovered a new color. In a study published in Science Advances on April 18, a group of five researchers stimulated retina cells in ...

SALT LAKE CITY — Images of Uranus and Neptune captured decades ago and showing the planets, respectively, as light green and bright blue orbs have since become enshrined as our collective vision of ...