It was perhaps even more extreme among the Aztecs, but in Inca culture it seems to have been preceded by a duel between two aristocratic warriors, each of whom knew he would die if vanquished ...

Of particular interest to astronomers is the nebula's faint, Venn-diagram-like structure — two rings of ejected material shaped by the gravitational influence of the central stars. Scientists ...

Later, during junior high school in Louisiana, (before “Google” became a verb), I absorbed every fact and myth about the Aztec and Inca empires and the Spanish Conquistadors. “Aztec Odyssey ...