Neil deGrasse Tyson describes the different prevailing theories on how the universe will end. Go to https://ground.news/startalk to read up on research and stay better informed. Sign up through our link to get 40% off unlimited access this month. What does dark energy accelerating expansion lead to? Can you rip a quark apart? Learn bout the heat death of the universe, the big rip, and whether the universe could recollapse on itself to create another big bang. Could there be infinite big bangs? Check out our second channel, @StarTalkPlus Get the NEW StarTalk book, 'To Infinity and Beyond: A Journey of Cosmic Discovery' on Amazon: https://amzn.to/3PL0NFn Support us on Patreon: https://www.patreon.com/startalkradio FOLLOW or SUBSCRIBE to StarTalk: Twitter: http://twitter.com/startalkradio Facebook: https://www.facebook.com/StarTalk Instagram: https://www.instagram.com/startalk 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 #neildegrassetyson 00:00 - Introduction: The End 00:21 - Theory #1: The Heat Death of the Universe 6:36 - Theory #2: The Big Rip 10:18 - Theory #3: The Big Crunch 11:45 - On Fearing the Death of the Universe