Ancient aliens seed the primordial oceans of Earth with protoplasmic material found on other worlds, then return millennia later to see what they have wrought. They not only observe the human civilizations they find, they contact some of them, conducting investigative studies. When they leave, they decide to cull large groups of humans and their environs, which they convey across the galaxy and transplant onto another world to continue their study. Ultimately this great speciation experiment … [Read more...] about Red Sky, Blue Moon by Bruce Golden