A Houston nonprofit wants to test the theory that a fully armed neighborhood is a safer one.
A gas break is likely to blame.
Boston lifts its "shelter in place" order with the remaining suspect still at large.
Boston area residents are holding their breath.
Makeshift memorials from around the city.
It's like a horror film.
There are millions of men and women wandering around America who spent the best years of their lives in this city.
Mexico City's "Menos sal, más salud" encourages restaurant owners to make salt shakers available only for those who request them.
The bombings have turned all the cues and surroundings of this time of year upside down.
Locals on social media report a distinct lack of chaos, "just a feeling that everyone is focused."
There are reasons why places like Boston have tended to think of themselves as relatively safe compared to say, New Orleans.
More importantly: Does a city get anything out of the exercise?
If residential areas are safer than commercial ones, it would seem so.
No injuries have been reported.
Violence is way down, and researchers chalk it up to good, old-fashioned police work.
Our weekly roundup of the most intriguing articles about cities and urbanism we've come across in the past seven days.
In low-income urban neighborhoods, daily exposure to violence is a reality for many young people.
Join in as we discuss how far city governments can go to push people to protect their health.
All balloon flights have been banned until further notice.