An ad campaign for a wearable A.I. companion has blanketed New York City, starting conversations and inspiring vandalism.

Trains move through the world's subway stations in a consistent pattern: arriving, stopping, and moving to the next stop—and repeated by other trains ...

The fare increase to $3, up from $2.90, will take effect in January, after the city’s transit system ends sales of the MetroCard. Other fares and tolls will also rise.

Trains move through the world's subway stations in a consistent pattern: arriving, stopping, and moving to the next stop—and ...

Two young girls were found dead on a New York City train early Saturday morning after they took part in a "subway surfing" ...