The states where same-sex marriage is now legal in the United States.
Dzhokhar Tsarnaev already admitted to his role in planning and executing the Boston Marathon bombing. Today's guilty verdict is just a prelude to his sentencing trial.
Video footage taken by a bystander played a key role in the arrest of a North Charleston police officer on murder charges Tuesday.
Monday's Amtrak crash was the third such incident at a grade crossing in just over a month, and two U.S. Senators have already announced legislation aimed at reducing them.
What recent stories about where Americans want to live get wrong.
An investigation into Monday's incident needs to be completed, but Washington area commuters have plenty of reasons to be outraged by their transit agency.
Around the world, mayors are more powerful than ever. But they still have to pose for lots of weird pictures.
His brother Doug Ford will run in his place.
How we arrived at the data.
The first results of our State of the City Poll.
Tough DUI laws can only go so far if we don't give people—especially young people—reasonable alternatives in the first place.
Wondering what's going on here? Read on.
Our new series exploring how U.S. cities are reinventing the way we navigate them.
One Arizona city spent roughly $100 million to keep the Chicago Cubs, despite little evidence their leaving would hurt the local economy.
Developers on the eastern edge of Mesa are building a new mixed-use master-planned community, friendly to both residents and big businesses.
The mayor of Mesa lured five liberal-arts colleges to town as part of a creative strategy to boost local economic activity and to keep smart students in the region.
The GOP leader of Mesa, Arizona, championed a new property tax; loves mass transit; and lured liberal-arts colleges to his city. Can these moves propel him to higher office in a red state?
A conversation with Smart Cities author Anthony Townsend.