Though they're so common that we don't typically give them much thought, lights are fascinating elements of the modern world. By sending an electrical current through a conductor, extreme amounts of ...

Since 2016, mysterious ribbons of purple and white light have been spotted in the night sky, baffling scientists. While the lights were originally thought to be a new type of aurora, a new study ...

Purple, a color often associated with royalty and creativity, isn't a true color of light. Instead, it's a creation of our brain when it perceives a combination of red and blue light. This occurs ...