PBS Space Time has published a fascinating video speculating on human evolution on Mars. It's a thought experiment, though one that is bound to happen in the next few generations. What if humans settle permanently on Mars and evolve separately from their Earth cousins? How would martians evolve differently from terrans?
Think taller, weaker, and most Earth disease could be fatal. Check it out! It also does beg the question, what happens if humans become interstellar? What happens after millennia of parallel evolution? Different species, surely, but could we possibly have the likes of anthromorphic species seen in Star Wars or Mass Effect?
