Much of last night's action took place in Cambridge and Watertown, a western suburb of Boston.
Boston area residents and business owners are being asked to "shelter in place" during this morning's manhunt. But what does that look like?
The rise of smart phones and WiFi mean we can now work from anywhere. Should that turn the entire built environment into an office?
All transit has been suspended; residents urged to remain in their homes. Police are conducting a door-to-door manhunt for second bombing suspect.
Earthquakes aren't the only thing to make the earth shiver.
British painter Nathan Walsh brings a photo-realism style to urban landscapes.
Nearly 70 percent of those fatalities were men; people over 75 were also at higher risk of getting hit.
Connecting underserved people to grocery stores may be easier than building new ones. But what's a shopper to do with groceries on a crowded bus?
The river will flow temporarily into Lake Michigan, where it'll dump millions of gallons of raw sewage.
Makeshift memorials from around the city.
In Italy, a masked crusader takes to the streets to pick up garbage and scrub dirty windows.
See how your city's black-white segregation levels have changed between 1970 and 2010.
A corral with enough room for 16 bicycles replaces a single car parking space.
It's like a horror film.
Recommended donations and admission fees help patrons see art, not crowds.
Data about traffic accidents that nearly happen could help prevent collisions that actually do.
Even though they lose about a half a billion dollars a year.
Though tens of thousands of people pass by it every day, the East Brother Light Station is remarkably under the radar.
Sometimes, it can be in a city's best interest to encourage the people who do it.