Little Rock officials have approved a contract to convert over 800 streetlights to light-emitting diodes, commonly known as LEDs, using federal grant funding.

Cars' headlights have come a long way since charming yet potentially dangerous acetylene headlamps debuted in vintage automobiles. The later halogen headlights are still around, but the world has ...

Philly's streetlights are getting an upgrade to keep the city out of the dark. The city has completed a two-year initiative, called the Philly Streetlight Improvement Project, to replace every ...

High-intensity lights are potentially harmful because they concentrate so much brightness into a small area,” says Jacqueline ...

The smaller and bluer lights may a challenge to readjust, but when it comes to the health of your eyes, there’s no known dark ...