We have reached a level of consumption that is more than our planet can sustain naturally. Our population keeps on increasing and the Earth’s resources keep on depleting. Beyond Earth colonization might still be somewhere between science fiction and speculative research, but there will come a time when it will be the only hope for humanity and our home planet. Already a lot of possibilities are being discussed which could help us colonize other planets in the solar system and maybe one day planets of other solar systems as well. Here are the top 10 possibilities of beyond Earth colonization.