Scientists studying a puzzling hot zone beneath America, called the North Atlantic Anomaly, have proposed a mantle wave ...

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 ...

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.