Maps

Which Is More Evil: Uber or D.C.'s Old Taxi Zone System?

Uber may not be an ideal ride-hailing solution. But let's remember the unpredictable, shifty days of Washington's unmetered cabs.

How the Chances of a White Christmas Have Changed Since the 1960s

A new analysis of weather data shows that in a few regions, it has become less common to see snow over the holidays.

14 Maps That Explain 2014

A cartographic tour through the year that was.

Mapping the Paths Most Traveled

What we can learn from where people walk, run, and ride their bicycles.

What Are the Odds Your City Will Have a White Christmas?

Decades of climate data pinpoint the nation's top spots for a snowy December 25.

Open-Source Mapping the World's Most Vulnerable Regions Will Save Lives

Urgent humanitarian aid missions are slowed when cities are largely unmapped. Missing Maps aims to change that with the help of volunteer cartographers and local residents.

You'd Never Know From These Beautiful Maps That U.S. Infrastructure Is Crumbling

These monochrome renderings depict only roads.

An Interactive Map Shows Leaving Las Vegas Is Easier Than You Think

It also helps residents of Vegas' many unincorporated communities determine whether they're covered by city services.

A Climate Model of White Christmases—Through 2100

One man makes a knowingly futile attempt at predicting snow for decades down the line.

How to Make a Better Map—Using Neuroscience

These three cartographers are applying advances in brain science and cognitive psychology to their work.

So You've Decided to Map Sidewalk Poop in San Francisco...

Sorry to say you'll discover that much of it is attributed to humans.

What Twitter Can Tell Us About Unemployment

Where, when, and how people tweet reveals information about the socioeconomics of a region.

Mapping 20 Years of Major Meteor Impacts

NASA wants to use this project to predict Earth's next dangerous space rock.

Roads vs. the Environment: Where the 'Conflict Zones' Are

"Road Map" shows where economic benefits from roads are as high as the danger they pose to the environment.

On This Day in 1926, America's Interstate Roadways Were Numbered for the First Time

Long before the Interstate Highway System, the country's mishmash of independent trails officially became part of a numerical system.

What We Can Learn From a Vintage Visualization of Global Migration

A French archival map represents global migration circa 1858 in strikingly similar ways to how researchers do it today.

What Will Be the Coldest Day in Your City This Year?

Crunching the numbers on the geography of winter's worst weather.

A Map of San Francisco, After a Catastrophic Rise in Sea Levels

Imagining the bustling nautical society of the Bay Area archipelago.

Rare Maps Show Life in Hong Kong's Vice-Filled 'Walled City'

The infamous, secret city was a hotbed of temptation and violence that most refused to enter—even after the walls came down.