Traveling around the universe, if it is to be any fun, requires there to be aliens. The big question for science fiction writers is: What will they look like? In my view, they would look a lot like we do, for the same reason we look like we do.
By aliens I mean creatures capable of developing societies, technology, and language, much the way we have. I don’t doubt that there microbial forms of life, or even more advanced creatures on other planets. That’s one thing. The real fun in science fiction, however, starts when there are aliens with ...
