Maybe we could change our definition of life a little bit... Like how do we not know that the gaseous forms in space aren't a form of life? Or robots... Maybe not life like humans in most ways, but I think that humans/animals aren't the only "living" things out there. Like planets, they are born...
Based off of what I know about the Alcubierre drive, it pulls space towards the ship in whatever direction the ship faces. Like if the ship were going towards a star, it wouldn't pass the star unless the ship turned and went around the star. This is the problem with even horizons; they surround...