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 ...

Around 1930, an employee with the U.S. Geological Survey simply took a cutout of the map of North America, and balanced it on the top of a pin. Not the most sophisticated method, perhaps, but for ...

NASA's Newest Maps Reveal A Continent's Grandeur And A Secret Date: March 11, 2003 Source: NASA/Jet Propulsion Laboratory Summary: From Canada to Central America, the many grandeurs of North ...

While the U.S. teaches that there are seven continents, Europe teaches that there are only six, with North and South America counting as one consolidated America. Some combine Europe and Asia into ...

Scientist Kirk Johnson, who grew up in the Seattle area, is the host of Nova’s “Making North America,” a three-part series that debuts Nov. 4 on PBS stations nationwide. Credit: PBS. There ...

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 ...