It’s often deemed the first color, the strongest color, the color that stands for color itself. So why does it keep slipping ...

On the grounds of Emperor Nero’s grand palace, where legendary parties once shocked and amazed, archaeologists have uncovered ...

A stream winding through a populous area on the outskirts of Buenos Aires has turned crimson red in recent hours that has ...

Rubies and emeralds have the colors they do because, like many substances, they absorb some colors of light. Most visible light, like sunlight, is composed of all the colors of the rainbow: red, ...