Earth is a sphere, so how can it be accurately portrayed on a 2D map? Simply flatten Earth into two pancakes, one depicting the Northern Hemisphere and the other the Southern, with the equator running ...

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 ...

Traveler contributing editor Andrew Evans finds the “real” Equator in Ecuador. Attention all map nerds! I am one of you. That means I go nuts about imaginary lines on the Earth–especially the Equator.