No audio available for this content. National Geographic Maps has joined with Avenza Systems to offer a new channel to access its map content. The alliance enhances Avenza’s digital map database by ...

It sounds somewhat implausible, but a University of Virginia academic has designed an interactive map that color-codes the geographic distribution of every single American, drawing on the last census.

As the U.S. economy grows and morphs, people are finding themselves living not just in cities or suburbs or towns, but also in much larger “megaregions.” Economists, geographers, and planners are only ...