A median (parietal) eye on the head of a regal horned lizard. (© Bruno Frías Morales/iNaturalist/CC BY 4.0) The human eye is ...

Deep inside the human brain, a small gland in the middle of the forehead helps keep time. As darkness arrives, the pineal ...

Far from being an obstacle to the theory of natural selection, the evolution of the complex eye is one of its most splendid ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. For most of human history, green eyes didn’t exist.

Whether blue, green, hazel, or brown, eye colour is one of the very first characteristics that people will observe in another individual. However, there is one characteristic of the eyes that goes ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Research reveals how close human vision comes to sensing ...

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 ...