Nearly twenty buildings in Philadelphia are dimming their lights this spring after thousands of birds perished in the city’s largest mass collision in recent history. The voluntary measure has ...

Philadelphia's skyline has changed pretty dramatically since the turn of the century, adding its two tallest buildings in just the last 15 years. While the spire atop Liberty One once served as ...

Philly’s skyline, stretching from the west banks of the Schuylkill to the Delaware River waterfront, has been a very, very long time in the making. When William Penn founded Philadelphia in 1682, this ...

Philadelphia has dimmed its lights in an effort to save some of the 100 million birds that fly through the City of Brotherly Love on their semiannual migration each year. Nearly 20 buildings in ...

(CNN) — Nearly twenty buildings in Philadelphia are dimming their lights this spring after thousands of birds perished in the city’s largest mass collision in recent history. The voluntary ...