Officials say it’s a first in the United States as cities typically feature buildings with lights that reflect the weather but not air quality. The rooftop lights will begin illuminating Salt ...

Migrating birds are believed to use stars to navigate but they can be disorientated by electric lights, causing them to crash into buildings. The phenomenon, known as “fatal light attraction ...

The Empire State Building lit up in blue for the "American Idol" season 23 premiere, with Carrie Underwood joining the judges.