A viewer named Kim asked, "Why are police lights red and blue?" Flashing red lights on law enforcement vehicles date back to the early 1900s. Red was always used to signal some type of warning or ...

The iconic NYC landmark lit up blue and orange after the Mets topped the Philadelphia Phillies, 4-1, on Wednesday.

In almost every country in the world, you’ll find traffic lights when you’re driving around. These towers of red, green and orange lights tell you when to go, when to stop and when to let ...

The study tested three different lighting devices on participants and found that the novel blue-orange LED light advanced melatonin production by an average of 1 hour and 20 minutes, significantly ...