The English setter is a merry medium-sized pup (it tops out at 80 pounds for males and 55 pounds for females) with a unique speckled coat. Though their eyes are typically brown, they can sometimes ...

On the plus side, blue-eyed people may have a lower risk of cataracts, which is when the lens of your eye (right behind the iris) becomes cloudy and compromises vision, says Dr. Chhablani.

Every eye color links directly to the volume of melanin in the iris. Green eyes, even more rare than blue, marks a reduced level of melanin, thought not as reduced as blue eyes.

Blue eye color is actually caused by the Tyndall Effect, a phenomenon similar to the visual trick that makes us perceive the sky as blue. The iris is made up of two layers of cells: the stroma on ...

Discover which country has the most blue eyes in the world and explore how eye colours like brown, green, and blue are spread across different regions.

People with blue eyes have a single, common ancestor, according to new research. A team of scientists has tracked down a genetic mutation that leads to blue eyes. The mutation occurred between ...

Blue flag iris is a native iris that grows in damp areas in the Eastern United States. It has lavender-blue flowers on 3-foot stems during May and June. Dutch iris is grown from bulbs.