In 1775, an unsung hero of the Revolutionary War, Western Pennsylvania's Colonel William Thompson, helped drive back the ...

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.

Mexico’s President Claudia Sheinbaum said Thursday she sent a letter to Google opposing a decision to rename the Gulf of Mexico to the Gulf of America on Google Maps.

These maps show North America 550 million years ago (left) and 510 million years ago (right). The maps were created by Ron Blakey of Flagstaff, Arizona.

As we get ready to celebrate our nation’s birthday with the signing of the Declaration of Independence in Philadelphia in 1776, let’s look at what was happening on the other side of North America.

Original ms., in the Clements Library of the University of Michigan, has title: An historical detail of seven years campaigns in North America, from 1775-1782. With an introductory review of the ...

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.

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 ...