Chicago

The Arctic 'Steam Fog' Over the Great Lakes, Seen From Space

An escaped chunk of the Polar Vortex caused this weird-looking mass emanation of vapors.

The Polar Vortex's Latest Victims: Amtrak Passengers

The train ride from hell.

Chicago's Gun Control Law Is Ruled Unconstitutional

A federal judge ruled it illegal to have a blanket prohibition on gun stores operating in the city.

Should Cities Ditch Their Mayoral Mansions?

This outdated tradition may cause new mayors more headaches than its worth.

Should Distracted Cycling Be Banned?

As bicycling gains in popularity, more cities will have to confront the question.

Facebook Is Using Your Profile to Track Global Urban Migration Trends

Which cities attract the most people, and what kinds of communities are losing them.

Boston's Outgoing Mayor Spent 20 Years Putting His Name on Everything

Thomas M. Menino leaves his successor with a particular problem.

We Don't Know Nearly As Much About the Link Between Public Health and Urban Planning As We Think We Do

Car culture may not be making us sick. Cities aren't necessarily healthier than suburbs.

America's 'Murder Capital' Is Having Its Least Deadly Year in Half a Century

Homicides in Chicago are way down.

3 U.S. Metro Areas Have Economies Larger Than Sweden

And other eye-popping comparisons.

A Children's Treasury of Derrick Rose Heartbreak in Chicago

The very public mourning of another lost season. 

Tracing the World's Most Complicated Roadways With GPS Data

How highway interchanges become beautiful color-coded open-source maps.

Why Some Expensive Cities May Be More Affordable Than We Think

A different way of measuring what we spend on housing.

Why These Midwest Millennials Are Choosing Milwaukee Over Chicago

"I don't have to work seven days a week here to pay the bills and do what I want to do."

Google's New Chicago Home Isn't More Transit-Friendly, But It Is More Highway-Friendly

Yet it's being hailed as a victory for transit-oriented development.

A Groundbreaking 1961 Documentary Laid Bare Chicago's Racial Disparities

Ten years after the Cicero riots came an award-winning film called The City of Necessity.

The U.S. Cities Where the Fewest Commuters Get to Work By Car

And where bike commuting has been growing the fastest.

Will the U.S. Ever Get High-Speed Rail Anywhere?

California is on its way, and the Midwest, the Northeast Corridor, and Texas all have plans of their own.

Chicago Survives the Months-Long Red Line South Reconstruction Project

The quiet end of a major mass transit disruption.