So in our Universe there are trillions of galaxies each with hundreds of billions of stars, each star having at least one planet, but only on a small planet in an insignificant galaxy located on a backwater arm of that galaxy is there life on that planet and only that one? Can you do the math here: Every solar system has at least one planet; there are 100,000,000,000-400,000,000,000 stars in the Milky Way; how many planets is that?
Have you ever looked at the odds of your very limited proposition? And you assumptions are just wild speculations about a probe that has barely landed.
Chances are, NASA just blew a huge wad of cash chasing its own tail.