You’ve heard the phrase too many times to count: “Once in a blue moon.” But what is a blue moon, exactly? (Hint: The moon doesn’t actually turn blue, unfortunately.) Despite the misleading name, blue ...

Blue light is a high-energy part of visible light from the sun, screens, and light-emitting diode (LED) bulbs. Your cornea and lens don’t block blue light the way they block ultraviolet (UV) rays.

JetBlue's standard economy fare gets you a free carry-on, seat selection, and no change or cancellation fees. Picture this: You seek to buy a JetBlue Airways ticket and see multiple fare types listed ...

Blue-light-blocking glasses reduce how much blue light from electronic devices reaches your eyes. But it’s unclear how beneficial this actually is. You’re probably doing it right now — looking at a ...

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 ...

Nana Ekua Brew-Hammond was reading the Bible one day, and she got to a part about the Temple of Solomon that made her pause. There were some drapes in the temple that were blue. "And I was wondering ...

Prolonged exposure to blue light from digital screens can cause eye fatigue—and worse, disrupt natural sleeping patterns. This is where special-coated blue light-blocking glasses can help. As remote ...

Blue is the color of the ocean and the sky, and considering blue's color symbolism, it makes sense why this color is associated with calmness. In fact, one survey found that blue is a favorite color ...