If you're driving at night, there's an interesting phenomenon that's had people wondering whether there's any significance behind those purple street lights.

Faulty LED streetlights have been turning purple for years across America. As the lights fail, many are replaced. That has led to years of purple streetlights that seemingly appear and then disappear ...

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 ...

Does a blue light keep you up at night? No, it’s not an alien invasion. The city of St. Paul has been gradually replacing LED street lights suffering from an unusual manufacturer’s defect — they’re ...