Because evidence of life somewhere other than Earth is the sort of scientific event that shakes up, well, a whole lot of related fields. And besides, exopaleon

Because evidence of life somewhere other than Earth is the sort of scientific event that shakes up, well, a whole lot of related fields. And besides, exopaleontologist sounds like an awesome career. And being unable to find any evidence of the place we consider life most likely to have existed, will also change a lot of how we think.