Wherever we go, life goes with us, whether we want it to or not. And when we travel to other worlds, it looks like the most extreme life Earth has ever cooked up is ready and willing to make the journey with us. Now that the big flybys are over, it’s time to dig into the regolith, search for life in underground lakes and oceans, return samples back to Earth. We’re going to give life every opportunity to contaminate other worlds. Audio Podcast version:ITunes: https://itunes.apple.com/us/podcast/universe-today-guide-to-space-audio/id794058155?mt=2RSS: https://www.universetoday.com/audioWhat Fraser's Watching Playlist:https://www.youtube.com/playlist?list=PLbJ42wpShvmkjd428BcHcCEVWOjv7cJ1GWeekly email newsletter:https://www.universetoday.com/newsletterSupport us at: http://www.patreon.com/universetodayMore stories at: http://www.universetoday.com/Twitch: https://twitch.tv/fcainFollow us on Twitter: @universetodayLike us on Facebook: https://www.facebook.com/universetodayInstagram - http://instagram.com/universetodayTeam: Fraser Cain - @fcain / [email protected]Karla Thompson - @karlaii / https://www.youtube.com/channel/UCEItkORQYd4Wf0TpgYI_1fwChad Weber - [email protected]References:https://planetaryprotection.nasa.gov/overviewhttps://nodis3.gsfc.nasa.gov/OPD_docs/NID_8020_109A.pdfhttps://spacescience.arc.nasa.gov/wp-content/uploads/2018/11/ReviewAssessmentPlanetaryProtectionPolicyDevelopmentProcesses.pdfhttps://planetaryprotection.nasa.gov/about-categories/https://www.nasa.gov/feature/where-on-mars-might-humans-first-landhttps://www.youtube.com/watch?v=94bIW7e1Otghttps://arxiv.org/abs/1905.13681