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 showing the areas affected by the solar flare, including the entirety of North America. Inset, an image of the solar flare. NOAA/SWPC/NASA Solar flares can affect us on Earth, and radiation ...

North America - Location North America stretches for more than 5,000 miles to within 500 miles of both the North Pole and the Equator and is plagued by geographical boundaries which hindered the ...

A map of North America allegedly showing North America prior to colonization. This map divides the continent showing state lines, but with Indian nations who controlled each area of the country.

A NASA map shows the size of the Antarctic ozone hole at its largest point this year, when it spread to the size of North America. The ozone layer protects life on Earth from the sun's ultraviolet ...