This isn't saying Mars has no water. They've found that one particular instance of what they thought was liquid water turns out to not be, but there is tons of

This isn't saying Mars has no water. They've found that one particular instance of what they thought was liquid water turns out to not be, but there is tons of evidence for water ice and possibly deep sub-surface briny water. Mars likely does not have life at the surface. Too much cosmic radiation. It may not have life at all but if it does it would be beneath the surface or in deep caves.