A collection of maps, some nearly 1,000 years old, disputes China's claim over part of the South China Sea.
Since 1994, New York has seen the biggest drop in crime of any state. It also saw the biggest drop in its prison population.
More results from our State of the City poll.
A closer look at what's been called "one of the transportation safety field's greatest success stories."
One woman's tribute to her favorite post-apocalyptic, science-fiction worlds.
The disaster highlights the cost of careless urban planning and environmental mismanagement.
See years of construction fly by in this ode to rebuilding after devastation.
Skin problems and upper respiratory symptoms were reported by those living less than a mile from actively fracked gas wells.
Cities considering a move to LED street lamps can see them in action at the Danish Outdoor Lighting Lab.
Survey respondents who reported the highest satisfaction with local government services weren't inclined to support spending more on it—especially among whites.
California businesses will now face penalties if they try to fine customers for negative comments.
It essentially created the face of the subway as we know it today.
How the worst apple took over the United States, and continues to spread
Many factors influence people's attitudes about community service organizations, including whether or not they know those groups exist.
Another feather in New York’s cap: It's home to the nascent high-tech real estate industry.
The humble traffic signal is gaining some new responsibilities.
This field of ancient stones may be more complex than initially believed.
We're 20 years away from catastrophe, says PricewaterhouseCoopers.
The number of U.S. prisoners age 50 and over has increased 330 percent since 1994.