Case studies from New York City.
The outgoing New York mayor ramps up "Bloomberg Associates," a free consulting group for any city that will listen.
Playdope connects people whose paths through the city overlap.
Five image pairs — and simple rules — courtesy of New York City.
Median incomes have been growing the fastest, however, in a very different part of the country.
To keep people from falling onto the tracks, New York City is testing lasers. Osaka, Japan, is betting on ropes.
The Secretary of Housing and Urban Development says he's optimistic about the homelessness trends in many places.
NYC cabbies strut their stuff for 2014.
A dreary chronicle of a month's worth of accidents.
The mapping system has some serious shortcomings.
People are angry about Silicon Valley's private shuttles for some very real reasons.
It's meant to help people get to the Super Bowl.
What would it cost to repurpose an advanced radar/GPS device to help control the speeds of trains?
Somebody is marketing a joke line of super-fancy, homemade toilet plungers.
Say goodbye to roach-free winters.
And why they leave so often.
Memorials and tributes to the South African icon, from Soweto to Brooklyn.
Get paid to scope out eligible singles on the train.
What today's appointment means for the future of crime fighting in New York.