A pet cat had striking blue and golden eyes that glimmered in the sunlight. The majestic odd-eyed feline was spotted basking in the sun while lying on a table in Shandong, China, on October 24.

Whether you're wearing brown, blue or green lenses, this is how your sunglasses' color affects their performance.

Multiple Scattering Directions – Scattered blue light reaches our eyes from all directions, making the sky appear blue. Sunset and Sunrise Effect – During sunrise and sunset, sunlight passes through ...

The eyes of Arctic reindeer change colour with the seasons, from gold in the summer to blue in the winter ... Living in the deep sea, these ostracods (a kind of crustacean) never see sunlight. They ...