(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 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 the ...

PHILADELPHIA (WPVI) -- A dense fog rolled into the Philadelphia area on Friday morning. The fog reduced visibility to nearly zero in some locations. The Sky6 cameras were proof of that. The fog made ...

Many of us see the Philadelphia skyline as unique. But apparently that's not true for everyone. A recent survey by the website BigRentz says some people in the Northeastern United States can't tell it ...

PHILADELPHIA (CBS) -- If you ever wanted to control some of the lights illuminating Philadelphia's skyline, a new program can make your dream a reality. Previously reserved for non-profits and ...