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.

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 ...

A map shows the ozone hole above Antarctica in September, when it was the size of North America. The ozone protects the Earth from the sun's ultraviolet rays.

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.

Acquired by Yale University and publicized to great fanfare in 1965, the Vinland Map—supposedly dated to mid-15th century Europe—showed part of the coast of North America, seemingly presenting ...

The Vinland Map, which supposedly showed the exploration of North America by Vikings in the 15th century, is fake, according to researchers at Yale. The map was first discovered in 1965, but ...

MEXICO CITY — At her daily news conference, Mexican President Claudia Sheinbaum on Wednesday displayed a colonial-era map of North America — with much of what later became the United States ...