For the first time, scientists have produced a comprehensive map of the tectonic stresses acting on the North American continent.

View A Map of the British Empire in North America by Samuel Dunn, Published by Robert Sayer, London, 1774 (1774) By Sayer Robert; 19 x 12 inches (sight) 25 1/2 x 18 1/2 inches (frame); . Access more ...

Experts from Yale University say a famous map believed by some to be the earliest European depiction of North America is a fake after decades of debate over its authenticity. The Vinland Map was ...