Explore the eighteenth-century Indian astronomical observatories called the Jantar Mantars, massive, stunning structures built to observe and understand the hea

Sima Qian's vast Records of the Historian is the first comprehensive history of China and has exerted an immense influence both upon our understanding of the Ch

The idea of a heavenly double—an angelic twin of an earthbound human—can be found in Christian, Manichaean, Islamic, and Kabbalistic traditions. Scholars ha

In the shadow of an ancient cave, hidden deep within the sands of Africa, a new chapter in an epic tale begins. "The Origin of the Sphere" invites readers to jo