Extraterrestrials is the name given to lifeforms that are not from the Planet Earth. Usally in reference to aliens that come from a planet other then Earth. It is also usual for the lifeform to be sentient. At least one extraterrestrial is in existance today. This is arguable but I prove my point via the 'science' of religion. At least that is what some religious people contend that religion is a science. God is not terrestrial, thus he is an extraterrestrial. God created Earth. So how can God come from the planet Earth? Just a question. I think religion is a little crazy these days and I know that humanity will never agree on one religion.