More than 5,000 years ago, in ancient Egypt, a mixture of silica, lime, copper, and an alkali was heated, resulting in a bright blue compound known as calcium copper silicate. This striking, vibrant ...

Learn more! If you asked Anna Wintour, her recent winter coat look is not just blue, it’s not turquoise, it’s not lapis . . . it’s actually cerulean! A classic Wintour-style outfit ...

Known as “Egyptian Blue,” it’s among the oldest synthetic pigments in the world, with the newly found ingot weighing more than five pounds. Archaeologists excavating the Domus Aurea, ...

It looks like Cardi B, Serena Williams, and Monica Denise have the blues—or at the very least, they all share the same electric blue faux fur Balenciaga long-line coat. The three ladies shared ...

Clear mascara is by no means a new find. But it is nowhere close to gaining the kind of recognition it deserves over its more ...

Sustained blue light exposure from electronic devices and digital screens is not kind on your overall health, and has been linked to eye strain, macular degeneration and poor sleep quality.

The color of your iris doesn’t reflect the color of the pigment. Instead, it’s an interplay between the amount of melanin and ...

The range of materials suitable for even the cheapest laser cutter is part of what makes them such versatile and desirable tools. As long as you temper your expectations, there’s plenty of ...

After hours: February 20 at 6:40:00 PM EST ...

The Hunger Games star, 34, looked elegant in a long, navy blue coat with toggle closures. Black pants and boots peaked out from beneath the hem of the coat. The mom of Cy, three, with husband ...