Yes, Even The Stars

When a disgraced scientist, Wilker, discovers the stars are disappearing, he sets out to find an explanation. An answer comes in form of Jahum, an alien who tells him that Earth will be destroyed by invaders. But when Wilker learns that Jahum is only going to save his wife, it's up to Wilker to fight to save himself and the rest who are left behind. An novella based In A Universe Without Stars and from the novel Skyeater.