One might have some objection to it from a religious view point as well, even though the Vatican has declared both evolution the be a fact and that it doesn’t rule out extraterrestrial life. On Mars even.
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As all of the universe is equally old, and that the same laws of physics seems to apply in all parts of it, one can assume that there is a myriad of similar solar systems. As OP says, if we look at our solar system alone there are several bodies with atmosphere and water. Even though it seems – so far – that they can’t develop and sustain life, it shows that those conditions are not unusual. It’s not necessarily so, but we can assume that it is quite common out there as well.
But even though it’s likely there is life elsewhere in the universe other than here, it seems less likely that two planets develop sentient beings with space travel technology at the same time, and in the same neighborhood of the universe; or galaxy even.
We could maybe humbly think about that human kind has been in existence for a couple of seconds of the clock of life on Earth. If an advanced civilization with space travel capacities and the capabilities to visit earth developed close to our solar system, it is far more likely they visited the dinosaurs than this slice of time of our existence. That’s many millions of years ago.
We haven’t either had technology long enough to be discovered by an advance civilization to make ourselves noticeable, and if we would receive signals from another civilization out there, it is likely they don’t exist anymore, due to the time it takes for it to travel space. Just as we know that the phenomena we see in our telescopes no longer exists. We can’t see what’s out there, only what has been.
But then again, there are much we don’t know about physics, space and existence itself. There seems to be exceptions to many things we think we know for certain, and we prove ourselves wrong now and then. That even we exist is a remarkable thing. It could however be, that the universe is teeming with life.