And yet here, in a book published in 1507, were references to a large world map that showed a new, fourth part of the world and called it America. The references were tantalizing, but for those ...

This spectrograph map, generated from data collected by NASA's New Horizons probe, depicts the relatively uniform brightness of the ultraviolet "Lyman-alpha" background surrounding our Sun and its ...

At the end of the 16th century, Spain and Portugal dominated the South American continent and parts of the Caribbean ... race for the colonization of the New World were two men, an uncle and ...