Not really, not at the level necessary to rule out the existence of life. Both Jupiter and Saturn have moons that may have life based on our current understandi

Not really, not at the level necessary to rule out the existence of life. Both Jupiter and Saturn have moons that may have life based on our current understanding of life and its origins. And Mars may still have life that we haven't found yet. The truth is that we are just now able to start seriously asking the question: is there life elsewhere in the universe? It may take a few hundred years to answer that question.