We don't even know if there is life on the moons of planets in our solar system. If we find life on Europa, Enceladus, Ganymede or any of a handful of other pot

We don't even know if there is life on the moons of planets in our solar system. If we find life on Europa, Enceladus, Ganymede or any of a handful of other potential relatively local moons then the odds of life being rampant in the galaxy are pretty high. We just haven't reached the technological level to know one way or another.