"Anything but our prophet," "America supports all faiths," and other signs from the protests in the Middle East.
Updated data from metros across the United States.
The complex math behind the connection between walkability and the economic bottom line.
A team shows off its invention, which would make underground parks possible.
"Sentiment analysis" of social media could change the way you report potholes forever.
A haunting and poetic portrayal of what was then seen as the city of the future.
More efforts are being made to embrace undocumented immigrants and the economic potential they have.
Thousands gathered in Venice last week to discuss the future of cities. But urbanization seems almost impossible to coordinate on a global basis.
The freshest news in what's been outlawed across the world.
Worried your new iPhone 5 will be the object of thieves? What if it came with a small utility blade?
Three of the finalists in this week's startup contest offer city-themed innovations.
Very, is our guess.
White roofs help bring down the heat, but researchers worry they could also stop the rain.
A recent study connecting the presence of Walmarts with hate groups makes a number of problematic logical leaps.
At its widest point, the Keret House in Warsaw is little more than 4 feet across.
The capital of Ecuador has one of the best-preserved city centers in Latin America.
The city's population is expected to mushroom to 9.1 million by 2030. Here's a novel way to accommodate that growth.
During a 19-day strike in 1987, teachers eventually set up temporary classrooms.
The original Twin Towers had trouble finding tenants, but the new buildings are off to a promising start.