Pennsylvania's congressional map has long been aggressively gerrymandered, silencing Democratic voters. These are the experts who helped change that for good.

US military officials were recently caught off guard by revelations that service members' digital fitness trackers were storing the locations of their workouts – including at or near military bases and clandestine sites around the world.

A fitness tracking app is revealing potentially sensitive military information thanks to its global heatmap.

This is a map of the Pangea supercontinent created by digital artist Massimo Pietrobon with all the modern countries labeled.

The most comprehensive listing of country health profiles and world health rankings for all leading causes of death ever assembled in one place. (2014-WHO)

The ocean is a big place, which makes it a pretty difficult thing to wrap our brains around. It covers over 70% of the Earth’s surface, is home to millions of species of life, and it makes up 97% of all water on the planet. But, with this massive size and ubiquity also comes a significant challenge for humans interested in trade: it must be constantly traversed in order for us to move goods around.

Boston Public Library's Leventhal Map Center is exhibiting maps of volcanoes, catacombs, mines, subways, sewage systems, and other underground cartography.

Experiment to map many of the airline flights between world airports. It's <strong>not</strong> showing real time positions (which would be amazing but I don't have that data) but rather, great-circle routes between major airports based on flight data from the Open Flights

Data from the Global Terrorism Database compiled into a stunning data visualization puts two decades of terrorist activity into startling perspective.

10,000 photos of a charred neighborhood, stitched together. By Samantha Cole.

Let's take the VII from Londinium to Letocetum.

The nation has largely won the war on smoking, unless you’re uneducated or live in a rural area.

The New York Public Library's NYC Space/Time Directory is a "digital time-travel service" for their collections of maps and geospatial data.

Charles Joseph Minard’s name is synonymous with an outstanding 1869 graphic depicting the horrific loss of life that Napoleon’s army suffered in 1812 and 1813, during its invasion of Russia and subsequent retreat. The graphic (below), which is often referred to simply as “Napoleon’s March” or “the Minard graphic,” rose to its prominent position in the pantheon of data visualizations largely thanks to praise from one of the field’s modern giants, Edward Tufte.

This Index allows you to compare well-being across countries, based on 11 topics the OECD has identified as essential, in the areas of material living conditions and quality of life. Compare it with 361 other OECD regions.

All the weeks in a human life shown on one chart. Sometimes life seems really short, and other times it seems impossibly long. But this chart helps to emphasize that it’s most certainly finite. Those are your weeks and they’re all you’ve got. Given that fact, the only appropriate word to describe your weeks is precious. There are trillions upon trillions of weeks in eternity, and those are your tiny handful. Going with the “precious” theme, let’s imagine that each of your weeks is a small gem, like a 2mm, .05 carat diamond.

To mark the 75th anniversary of its Cartography Center, the Central Intelligence Agency (CIA) shared decades of declassified maps.

Big data scientists can store human genomes for easy access. But what challenges do they face when it comes to storage and privacy?

OECD Health Statistics 2016 is the most comprehensive source of comparable statistics on health and health systems across OECD countries. All datasets have been updated in October 2016.