The 10.38-carat gemstone, which carries an estimate of $3 million to $5 million, was owned by generations of European royalty ...

Polychroma’ unites elements of the past and present, both of the heritage jewelry house and the eternal city in which it was founded.

They come in hot pink. And red and orange. And a spectrum of greens. There is a watermelon variety, too, which is exactly ...

Scientists at Washington State University not only discovered how to recreate the color known as "Egyptian Blue," they also ...

At the American Museum of Natural History here in New York, I had the pleasure of experiencing both at the same time.