An example of the possible distribution of ash from a month-long Yellowstone supereruption. The distribution map was generated by a new model developed by the US Geological Survey using wind ...

Experts just found a 3D map that was carved into quartz sandstone likely 13,000 years ago. Located within the famed Segognole ...

The engraved floor is not quite a map, but potentially a world-first 3D model of a Palaeolithic territory," the study explained. Open the Youtube video The cave site was a blend of artistic ...

Editor’s Note: This story accompanies the May 2016 issue of National Geographic magazine, devoted entirely to America’s first national park. Find more at natgeo ...

Editor’s Note: This story accompanies the May 2016 issue of National Geographic magazine, devoted entirely to America’s first national park. Find more at natgeo ...