Of all the colors that exist, one shade stands out for its rarity: gray eyes. Less than 1% of the world's population has this eye color, making it a true "phenomenon of nature." A little ...

F ans of Clementine, the cat who recently captivated TikTok with her rare eye color, should take note.The piercing golden gaze of cheetahs, the striking blue stare of snow leopards, and the ...

The vast majority of people in the world have brown eyes. The second most common color is blue, but people can also have hazel, green, or gray eyes. According to a 2020 study, 79% people worldwide ...

Hazel eyes are a mix of brown, gold, green, and sometimes even gray. Depending on the lighting, they can even shift colors like a mood ring. Only about 10 percent of the world has hazel eyes ...

Now scientists have harnessed the Internet’s abundant wild cat photographs to chart the transition from brown eyes to colors such as green and blue—and found something of a gray area.

SALT LAKE CITY — Born with brown eyes but secretly always loved the look of gray eyes? Want to change your hazel eyes green? The popularity of a cosmetic procedure called keratopigmentation ...