What's the shortest route, if you're visiting each city exactly once and then returning to the point of origin?
Barcelona, Athens, Stockholm, Kirklees, and Warsaw won with high- and low-tech innovations that address pressing urban problems.
The district received the weapons through the same program that gave military equipment to the St. Louis County PD.
But there remains a divide in perceptions of access among less-educated, lower-income residents.
California drivers are now legally required to give cyclists at least three feet of clearance when passing. But do these laws really work?
Twin Cities riders believed transit arrived more quickly at shelters or stations compared with stops at curbside signs.
Thorncliffe Park is now home to North America's first public tandoor oven, thanks to the efforts of local activists.
Hutongs are disappearing but their sounds won't, thanks to Colin Chinnery's Beijing Sound History Project.
Our new series about the people and ideas reshaping urban life all over the world, from the ground up.
In a nation with the highest rate of stress-related suicides, citizens of Seoul vie for the title of most spaced-out.
A primer on the key issues Scots are weighing at the ballots today.
The makers of this gyrating Do Not Cross signal say it reduces jaywalking by 81 percent.
The increase in ice may actually be a sign the warming continent is in trouble.
A random beardo is spreading surprise high fives all over the city.
A new study shows generations bucking their upbringings, with sheltered Millennials choosing the bus.
The controversial Toronto mayor will undergo chemotherapy for a "very rare" cancerous tumor.
It might not be completely the fault of competition, but the city's taxi drivers are making far fewer trips than they were just a few years ago.
Hollywood parents say not vaccinating makes "instinctive" sense. Now their kids have whooping cough.
49 years ago, two of history's greatest boat-car hybrids heroically traversed the English Channel.