Since space is so big we have not scratch the surface of it in our topic because space is endless and I mean it.
There was a new mars rover sent to mars called Perseverance. Its task was to collect samples from Mars to test if there was life there and it was packed with the first space helicopter. But the Chopper could go at least 10 meters and it would be retrieved by another shuttle and come back to earth in 2032.
Since there will be more space helicopters. I only know of the next one called dragonfly but this one will have four props this time plus will fly longer distance. I estimate 20 or 30 or maybe it might be to heavy and it might fly 10 meters who knows it could even fly 100 meters.
What I am try to say is space is endless we can’t search all of it because it will go on forever.