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.

Discover the hidden meanings behind colored porch lights in Montana. Learn how each hue symbolizes support for veterans, ...

According to Scientific American, the purple hue isn’t exactly ... yellow phosphor that filters blue wavelengths and ultimately produces a bright white light. The thickness of that layer ...