The novel, WORMWOOD, by John I Coby, is a narrative of times before, during and after a catastrophic, extinction-level event (ELE), caused by the impact of a rouge comet with Earth. It tells tales of Earthlings and Aliens negotiating through a Biblical event, through a mass extinction.
The only kind of future that can be predicted by anyone, other than God, is one with mathematical certainty - for example, the orbit of a comet. A gargantuan comet hurtles through interst...