The final hurdle for the $50 million Smart Cities Challenge was a little goofy.
You'll always have Paris, say French business leaders.
Step into a world of ghostly shapes and meditative music with Hey Karl.
The apparatus costs just $300, with replaceable parts that can easily be printed.
One artist is painting 200 residents of Crown Heights, Brooklyn, to forge connections in one of the most rapidly changing parts of the borough.
A new video documents a solar initiative that aims to relieve economic pressures on low-income families.
The increasing influence of outside spending on municipal elections is creating imbalances in leadership. Cities have powerful models to fix that.
New stats on U.S. imprisonment rates suggest a complicated future for criminal-justice reform.
A new study charts the business cycles of the nation’s largest metros across three periods of economic decline.
Saudi Arabia’s affordable housing crisis has spurred the kingdom to tax landowners sitting on undeveloped property.
The U.S. welcomes a branch of the bittersweet Croatian museum.
A British artist is tracing the curious invention of contour lines.
People of color will be a majority in the American working class by 2032, according to a new analysis.
It took satellites and a $35,000 gadget to mark the geographic center, which is almost certainly wrong.
One group is fighting to uncover the 45 rivers that flow under the Aztec capital, hidden underground for decades.
With millions of sports fans expected to fill multiple venues over the weeks-long event, the French are beefing up security.
A new study by researchers at Yale University maps urban centers from 3700 B.C. to 2000 A.D.
More than $107 billion annually, or about $1,400 per commuter, a new analysis finds.