2040: Ruins of ancient civilization uncovered on Mars reveal startling truths about the creation of humankind. 2042: In the gray dust of the Earth's Moon, an extinct enslaving race left behind more answers, more questions...and a grim warning. 2067: As Earth's warring factions clash in space for scraps of alien technology, a strange artifact lies trapped beneath the ice-locked oceans of Europa: a machine that holds the key to the final human...