In the 1920s and early 1930s, the city’s first skyscrapers, including the art deco Tower Petroleum Building on Elm Street and the Davis Building on Main Street, used colored lights to stand out.

A huge blue light flashed brightly over over the New York City skyline late Thursday night. New Yorkers filled social media with photos and videos of the phenomenon, which appeared to be centered ...

The City of Light has had office and shop buildings turning off their lights at night for the past couple of years. And if Paris can do it, he said, New York City can, too. “We should be the ...