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

Add Yahoo as a preferred source to see more of our stories on Google. A close-up photograph of what appears to be a light-brown human eyeball shows the organ's expansive, cavernous depths surrounding ...

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

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 ...

EU researchers are unlocking the secrets of the human eye, creating cutting-edge digital models that are transforming the quality of eye surgeries. For 89-year-old Mercedes Alvarez from the northern ...

In a world first, surgeons have performed an eyeball transplant. It is uncertain if the recipient will be able to see using his new eye, but the procedure remains a significant step towards one day ...

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.

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 ...