A close-up photograph of what appears to be a light-brown human eyeball shows the organ's expansive, cavernous depths surrounding a seemingly bottomless, black pit that, together, mimics the intricate ...

Using an experimental technique called "Oz," researchers stimulated the human retina such that people saw a brand-new color. When you purchase through links on our site, we may earn an affiliate ...

Since the first motion-picture projectors in the 1890s, display technologies have evolved: from televisions and smartphones to virtual- and augmented-reality headsets, they have become deeply embedded ...

A widely popular idea in psychology and evolutionary science suggests that the distinctive look of the human eye—particularly the white area surrounding the iris—evolved to help us communicate ...