Skaters fight for their rights in a Philadelphia park designed by modernists.
New research shows a startling prevalence of the disease among children younger than 5.
Climate change-related heat waves and intense storms are projected to hit Eastern U.S. cities especially hard.
Our annual look at the extensive information now available from city governments, and the tools people are building with it.
They are mostly found on the coasts, according to a new study.
The mural celebrating printmaker Dox Thrash is now a big, ugly square of paint.
Automated parking garages are now popping up on both coasts. Could this save dense cities space?
The GAO reports that only a tenth of $53 billion in flexible transportation funding went to transit in the past five years.
The United States is not just as a single national economy but a collection of city and metro economies, and they're growing at starkly different rates.
Philly Painting mobilizes the community to bring a new look to a blighted neighborhood.
Just five metro areas move nearly 40 percent of all U.S. international passengers.
While the 2012 presidential election will likely be the most expensive in history, a similar money-race is happening on the local level.
America's major cities lean Democratic, but these swing state metropolises could end up playing a deciding role.
Data are scarce, but a look at grants from the National Institutes of Health gives us at least a partial picture.
A by-the-numbers look at the wreckage left behind.
FEMA and cell phone carriers are encouraging customers to use SMS.
Large parts of New York City are in the dark and under water.
Shiver in fear of this 3-D model of Sandy's eye as the storm nears New Jersey.
Hint: The really ugly part will be the storm surge.
As Sandy bears down on the East Coast, some of the biggest cities in America come to a virtual standstill.