Porch lights come in all colors and meanings, but why does your neighbor's porch turn purple in October? The reason is ...

But that's not the only spotlight on the block! Here's a closer look at the purple porch light meaning. If you ever see a ...

According to Scientific American, the purple hue isn’t exactly intentional. For years, cities have been upgrading public lighting infrastructure, going from sodium lamps to LED (light emitting ...

Sky gazers in several U.S. states could get a colorful glimpse of the northern lights as we enter the weekend, thanks to a recent geomagnetic storm.