Andrew Harlan is an Eternal, a man whose job it is to range through past and present Centuries, monitoring and, where necessary, altering Time's myriad cause-and-effect relationships. But when Harlan …
NASA is building a probe to be splashed down in the Kraken Mare, the largest sea on Saturn’s great moon, Titan. It is one of the most promising habitats for extraterrestrial life in the solar system, …
