Are Aliens Simply an Advanced Version of Us?

If we were ever to discover aliens (we haven’t yet), they would most likely not be more advanced than humans. In fact, the majority of aliens we are likely to discover will be microbes. The term (extraterrestrial) “aliens” does not imply a race of advanced beings.

If, however, we were to come across aliens more advanced than microbes, they might be something like this guy below.