It might seem like a simple question. But the science behind a blue sky isn't that easy. For starters, it involves something ...

One of the most commonly used is the heart emoji, which comes in a rainbow of colors. Each of those colors has a different meaning, and it's important to know each of the heart color meanings when ...

Radiation within the visible spectrum can appear black if it is low in power – more specifically, lower in power than its ...

Baker saw the rainbow as a natural flag from the sky, so he adopted eight colors for the stripes, each with its own meaning: hot pink for sex, red for life, orange for healing, yellow for sunlight, ...

Before its ruling concerning same-sex marriages, the Fukuoka District Court ordered visitors to remove or cover up anything showing rainbow colors, the symbol for the LGBT rights movement.