Humanoid Aliens

The potentiality that there are numerous humanoid alien species supports the Battlestar Galactica drama. I believe that human DNA or near-human DNA exists all over the universe, and it ['s squishy bits] can perform electrical and empathic feats that we do not commonly attribute to humanity, likely in the presence of a greater universal culture.

This ex-military says that they catalogued 57 varieties of alien by 1989. What would it be like to experience the presence of an alien of any sort? What would it be like to leave earth and then return? I am a chatty man, in certain ways. Would I microphone like this guy?