Artist Gabriel Orozco has applied a fresh logic to trash-as-art.
Austin and Pittsburgh don't fare very well in Walk Score's bikeability ranking.
MTA leader Joe Lhota is expected to resign today to prepare for a mayoral run.
Gift purchases are dow n, Christmas lights are dim, and families are suffering.
Amtrak posts a record year, California approves high-speed rail, and more.
Sure, it could kill you, but there's no thrill quite like riding on the roof of a 125 mph commuter train.
Our annual look at the extensive information now available from city governments, and the tools people are building with it.
To its credit, the animal behaved better than many public-transit riders.
A bitter feud between two men has sent the price of trees in New York City sky-high.
Colder than the frost on a champagne glass!
The energy disparity between Pyongyang and its neighbors is clearer than ever in this awesome NASA satellite shot.
Please don't let "Human Kopi Luwak" become a thing.
Two artists cover a Montmartre wall with more than 200 expressions of adoration.
A government tax incentive program has made cycles affordable for thousands.
Beaches are littered with a trail of rotting cephalopods stretching for 11 miles.
Russian adventurers dressed like construction workers to reach the ice-covered pinnacle of Mercury City, which is taller than London's Shard.
Cities have largely given up on pedestrian scrambles — but some are bringing them back.
B2 Bklyn breaks ground this morning at Atlantic Yards. A lot is riding on whether it works.
There's a major structural problem built into how cities spend their money. Here's what we can do about it.