City buses and trains are vulnerable to terrorists, but trying to make them safer would ruin them.
Bill de Blasio's plan to ban the Central Park carriages will force Hollywood to come up with some other way to convey romance in New York.
2 ideas for the company's busiest times.
Which cities attract the most people, and what kinds of communities are losing them.
The use of stop and frisk has declined 60 percent, and the murder rate is the lowest it's been since the early 1960s.
Once, a traveler could expect to spend a whole day and night traveling what a suburban commuter now does in an hour.
Combating the legacy of Robert Moses requires creative solutions.
A new group called Make Queens Safer is dialing up the pressure on Mayor-elect Bill de Blasio.
A Tetris-like 24 hours in the delivery bay at a New York UPS Customer Center.
Public high-quality programs save parents lots of money.
At last, historians have charted the great "squirrel experiments" of the 1800s, which saved the humble creature from urban extinction.
Living in tiny spaces can cause psychological problems.
How one group is pushing Bill de Blasio to make good on his campaign promises.
Car culture may not be making us sick. Cities aren't necessarily healthier than suburbs.
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.