Physicists and vision scientists are lining up behind a provocative claim: the rich color we call purple is not a property of light at all, but a story the brain tells itself. Light in the real world ...

The color purple has long been a symbol of royalty, creativity, and mystery. But according to science, it's also something else: a figment of our imaginations. While it looks just as real as red or ...

If you’ve been driving down the road at night and wondered to yourself, “Why are these streetlights purple?” — we have your answer.

If you've passed through the intersection of Jog and Hypoluxo Roads west of Lake Worth Beach at night, you likely have noticed an additional color among the lights illuminating the busy area. The ...

If you've spotted spooky purple streetlights in the middle of summer, they probably aren't a sign that a neighborhood has started celebrating Halloween early this year. Instead, the violet hue seen ...