Zombies in Space - for reals

Zombies, evil, dark matter, dark energy? Its beginning to read like some space opera with the undead devouring existence.

Zombie' Stars Key to Measuring Dark Energy

ScienceDaily (June 30, 2011) — "Zombie" stars that explode like bombs as they die, only to revive by sucking matter out of other stars. According to an astrophysicist at UC Santa Barbara, this isn't the plot for the latest 3D blockbuster movie. Instead, it's something that happens every day in the universe -- something that can be used to measure dark energy.