Originally Posted by
Ticj
The discovery of an alien organism would be game changing in Astronomy, and Biology. An alien organism might or might not be extremely different from the chemistry that is life on Earth. It would be studied extensively and could lead to god knows what in medicine and the understanding of the origin of life on Earth.
For Astronomy, the discovery of life on mars, or any other body in the solar system means that life is MUCH more common throughout the universe than once thought, and could could lend credence to the theory of panspermia.
It is something to be excited for, and not brushed away like it means nothing for us.