Why should be assume that aliens are going to breed like humans? Hell, there are a lot of lifeforms on Earth which do not breed like us. For all we know, the alien race's way of breeding could be laying giant eggs into the male species' ear canal.
Why should be assume that aliens are going to breed like humans? Hell, there are a lot of lifeforms on Earth which do not breed like us. For all we know, the alien race's way of breeding could be laying giant eggs into the male species' ear canal.