It might be possible that
alien civilizations just haven't traveled far enough to stumble upon us yet.
Not exact matches
Nobody could possibly expect to luck onto an
alien broadcast that easily, unless there happened to be technologically advanced
civilizations lurking around
just about every star.
Captain James T. Kirk (Chris Pine) has
just been called on the carpet following an expedition to a primitive planet where, in the course of saving Spock's (Zachary Quinto) life, he violated the Starfleet's strict sanction against interfering with
alien civilizations.