The $9 million Bloomberg Philanthropies contest also awards innovations from Chicago, Houston, Philadelphia and Santa Monica.
CityScan uses street-mapping technology and public records to find hidden violations.
From Snowpocalypse to Snowquester.
The Mu Thermal Imager, which detects drafty doors and windows, aims to be an affordable device for improving your home's energy efficiency.
Publicly owned Internet infrastructure is luring jobs to smaller towns. Should big cities follow their lead?
The photographs are great; the story is even better.
Why do pigeons bob their heads? Do squirrels know where they hide their nuts? And other questions answered in this new art-meets-science book.
Chicago is trying to raise $480,000 for a youth basketball league.
Premiums for the young and healthy are set to rise 169 percent, according to a new survey.
Air travel congestion can quickly spread from a few cities to a whole network.
It can't compete with New York's amenities and galleries. But it's trying to offer something else altogether - a true middle class art market.
So you think you know your city?
The Open City group turns government data into apps on crime, snow plows, even lobbying efforts.
Complete with in-game music.
More and more city planners are seeing bike lanes as "a rational part of the mobility picture."
The pioneer of hyperlocal news and open data surprisingly closed this morning.
The third in our series mapping the class divides in America's cities and metros.
Our weekly roundup of the most intriguing articles about cities and urbanism we've come across in the past seven days.
Celebrate this awful time of year by thinking about the cities that have it even worse.