Did Life on Earth Start Elsewhere?

Are humans actually aliens from another planet? SETI (Search For Extraterrestrial Intelligence) Chief Scientist Dan Werthimer explains the concept of panspermia. Comedian Chuck Nice makes it EXPLICITLY clear that he did not make a joke about the word “panspermia”. Planetary scientist and StarTalk All-Star Carolyn Porco illustrates the significance of finding either Earth-like or completely different types of life throughout the Solar System. This is a clip from "Listening for Aliens, with Carolyn Porco – StarTalk All-Stars” - To watch the entire episode commercial-free, click here: https://www.startalkradio.net/all-access/listening-aliens-carolyn-porco-startalk-stars-2/?_sf_s=Listening+for+Aliens,+with+Carolyn+Porco Support us on Patreon: https://www.patreon.com/startalkradio Subscribe to StarTalk: https://www.youtube.com/user/startalkradio?sub_confirmation=1 Follow StarTalk: Twitter: http://twitter.com/startalkradio Facebook: https://www.facebook.com/StarTalk Instagram: https://www.instagram.com/startalkradio/ About StarTalk: Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up! #StarTalk #CarolynPorco