Animals with blue eyes are a rare occurrence in nature due to being linked to recessive genetics, mutations, and specific ...

With the amount of time people spend in front of screens reaching record highs, should you be concerned about the blue light streaming into your eyes? Here’s blue light at a glance, including ...

the ungulates have light-enhancing tissue in their eyes, known as tapetum lucidum. But in reindeer, the luminescence changes color from a golden color in the summer to blue in the winter.

Blue eyes have been around for at least 7,000 years but we still don't know exactly why they evolved. Brad Pitt has them, Paul Newman had them — but when it comes to the human population as a ...

Animals with blue eyes are a rare occurrence in nature due to being linked to recessive genetics, mutations, and specific genes. Despite that, many species still have beautifully rich blue eyes.