Mars one, possible Earth two? I have often thought about this. What if we and all on Earth is just a second try at something that did not work the first time? Forget about religion for a second. What if we are all just a result of a failed Earth "one" experiment?
All planets have life, smart life, more advanced than us, the tech is in the 7th dimension to take it and use it but the human being is bad and not prepare to use in this race, Martians doesnt let that NASA map their planet, they are not foolish, know that USA and Russia only like gold and silver.