Eileen Reeves examines a web of connections between journalism, optics, and astronomy in early modern Europe, devoting particular attention to the ways in which a long-standing association of reportage with covert surveillance and astrological prediction was altered by the near simultaneous emergence of weekly newsheets, the invention of the Dutch telescope, and the appearance of Galileo Galilei's astronomical treatise, The Starry Messenger.

Early modern news writers and consumers often understood journalistic texts in terms of recent developments in optics and astronomy,...