New York, Los Angeles, and Washington, D.C. have stepped up police presence on transit, at tourist attractions, and near hotels.
If there's an uplifting lesson from Boston, it may be the many people who will overcome the trauma of tragedy.
Race officials are reviewing security precautions with local police after the attacks in Boston Monday.
This is more true than ever in the digital age.
Modern-day militia activists have attempted to hold rallies on this holiday in recent years.
Though cell service is spotty, social media is connecting family members and friends.
Maps of where blasts occurred, the race course, the streets in question.
Apparent terror attacks at the finish line of the Boston Marathon.
The super storm was so damaging and deadly that the world's meteorologists will not repeat its name.
The MBTA has opened a competition to the public. And a good thing too - the current map has serious flaws.
The cities that lead America's transition from a goods-producing to service economy.
The federal government has prepared a short list that includes 220 mph trains.
Neighborhoods near Major League Baseball stadiums cost more – especially if the team has a better shot at winning the 2013 World Series.
What was once popular opinion – and public policy – in San Francisco could soon be the national norm.
The 10th in our series exploring the class divides across America's largest cities and metros.
The death of the Boston Phoenix may signal the approaching end of these storied city institutions. But there's also a lot more news outlets to choose from today.
The Northeast Corridor is, unsurprisingly, the promised land of Irish bars and restaurants.
Boston prepares to debut 20 bench designs that re-imagine the experience of sitting on the street.
Higher Ground, the world's second largest rooftop farm, contributes fresh food but doesn't interfere with density and walkability.