In just a few days, Mars will come within 36 million miles of Earth, closer than it has been for 15 years. As the red planet nears, we’re looking back at National Geographic’s cartographic encounters ...

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A century ago, National Geographic magazine started creating supplement maps, designed to adorn walls and explore every corner of our Earth in intricate detail. Here are some of the best.

WASHINGTON -- National Geographic is marking World Oceans Day by recognizing the Southern Ocean as the Earth's fifth ocean. While all of the planet's ocean waters are interconnected, National ...

I usually work on general relativity and cosmology. I have always loved geometrical things. As a kid I was fascinated by map projections. When I was 14, I made a painted globe of Mars based on a flat ...