>Even life, is there any reason to think there WASNT some microscopic life there at some point? We have no clue about how likely it is for life to emerge or ho

>Even life, is there any reason to think there WASNT some microscopic life there at some point? We have no clue about how likely it is for life to emerge or how it happens, so we can't really tell. Maybe we're on the only planet with life in the universe. Finding proof of life on Mars would completely change that equation.