Blue blood may look alien, but it’s one of evolution’s most elegant solutions to life in extreme environments. Here’s how ...

We scored Blue Apron high for taste and ingredient quality, but we wish the service used less plastic. Our dietitian’s full review follows. Blue Apron is a popular meal kit service that delivers 2–5 ...

You may know them by the acronym ROY G BIV. Together, they make the white light you see when the sun -- the main source of blue light-- is shining. Fluorescent and LED (light-emitting diode) light ...

Blue light usually comes from the sun but also from digital screens and LED lights. Some experts believe artificial sources may be causing eye damage in humans, but animal studies are inconclusive.

The colour survives in the work of 17th Century Spanish colonial painters, a symbol of the wealth that ultimately doomed the Maya, writes Devon Van Houten Maldonado. In 17th Century Europe, when ...

It’s no secret that the American holiday calendar is thoroughly color-coded. The Fourth of July is red, white and blue, for obvious reasons. Halloween has pumpkin orange, and the Thanksgiving table ...