The map, supposedly dating back to the 15th century, was a big deal because it added weight to the claim that Vikings landed in North America before Christopher Columbus.

The discovery suggested Norsemen were the first to reach North America, well ahead of Columbus. The authenticity of the map has been debated for decades. A new analysis concludes the map is a ...

The past two decades have marked the driest years in southwestern North America since the 1500s, a new study finds, and it could get even worse. The megadrought that began in 2000 led to the ...

Explore North America. Posted 11.05.15; NOVA; Explore billions of years of North American history to see how our amazing continent came to take the shape it is today.

To create the map, the researchers amassed over 2,000 stress orientations taken across North America, of which 300 are brand new. These measurements were taken from boreholes—long, narrow shafts ...

Viking Map of North America Identified as 20th-Century Forgery New technical analysis dates Yale’s Vinland Map to the 1920s or later, not the 1440s as previously suggested.

In the long term, the map could inspire and inform modeling efforts aimed at better understanding North America's geologic past, as well as the continent's present day tectonic intricacies.