The paradox of the American Dream: The best cities to get ahead are often the most expensive places to live, and the most affordable places to live can be the worst cities to get ahead.
A Le Corbusier-inspired idea for a city that organized transit and architecture around "functional delineation" was never realized.
The famous landmark has been a protest-art site for decades. Now, Praguers are divided on whether "Wall is Over."
Why young people are taking to the streets just to smooch in public.
The El Camino BRT project shows why great transit needs exclusive lanes.
A legacy of industrial pollution is allowing slimy ooze to thrive.
But can it aerate jaywalkers with retractable butt guns?
Building over-water park infrastructure is one approach for dense cities. But are these parks a flashy design fad or a real urban solution?
Where, when, and how people tweet reveals information about the socioeconomics of a region.
Reaching 311 miles per hour on a test track in Japan makes for some giddy responses.
It's one of the most striking lake-effect snowstorms in recent memory.
Margaret Thatcher's legacy can still be felt in today's "revenge evictions" controversy.
Cities spend big money to retrofit and modernize landscapes built with the world’s most popular construction material—even as others go right on pouring it.
NYC's swanky future pay phones will provide unlimited Wi-Fi and free domestic calls. But will they be accessible to everyone?
The brains behind Scotland's Biomatrix Water use flotillas of plants to filter polluted water and soften concrete riverbanks.
The travel documents come on the heels of those super-cool new banknotes, too.
The UK's National Air Traffic Services offers an animated tour of just how flight paths are managed.
NASA wants to use this project to predict Earth's next dangerous space rock.
Today City Hall celebrates Frida, a 6-pound chihuahua mix and very good girl.