will there ever be life on any of the planets?

  • Thread starter Thread starter krista m
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Some has doubtlessly made it to other planets already, in the form of bacteria and spores aboard incompletely sterilized probes.
 
There may be life on some already. For the rest, there will only be life if we do something about it ourselves.
 
We might go there some day so yes. Life may have been present on Mars at one time and has a slight chance of still being there.

The best chances for life within our solar system outside of Earth however are Sol's icy moons and dwarf planets. Hydrothermal vents heated by the core of such worlds heat massive oceans underneath miles of ice. It is possible life has evolved under some of those worlds' exteriors.

Or perhaps some odd form of life very different then life on Earth has evolved on the moon Titan. Instead of using water like all life on Earth life on Titan might take advantage of the oceans of hydrocarbons on Titan's surface. Imagine life with veins pumping liquid methane for blood.
 
Will there ever be life - you mean at some time in the future? Probably not (other than what humans bring to them).

Has there been life (in the past)? That is unknown.
Scientists suggest that life could have existed on Mars in the past (and the discovery of water ice on Mars certainly does make it a possibility). And there is evidence of a water ocean under the ice crust on Jupiter's moon Europa and some water on Saturn's moon Enceladus.
Whether we find life (or proof of life in the past) will be a matter of getting out there and looking for it.
 
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