Seveneves

A catastrophic event renders Earth a ticking time bomb. In a feverish race against the inevitable, nations band together to devise an ambitious plan to ensure the survival of humanity far beyond our atmosphere, in outer space. But human nature coupled with unforeseen challenges and dangers threaten the intrepid pioneers, until only a handful of survivors remains…Five thousand years later, their progeny—seven distinct races now three billion strong—embark on yet another audacious journey into the unknown…To an alien world utterly transformed by cataclysm and time: Earth.