A Cosmologist’s Guide to the End of the Universe | Katie Mack and Debbie Millman | TED

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How does studying the end of time change your perspective of life on Earth? Cosmologist and TED Fellow Katie Mack joins designer and podcaster Debbie Millman to talk about the story of the cosmos — from the Big Bang's ancient light still glowing across the universe to the five ways it might all come to an end — plus what aerobatic flying taught her about staying present. (Recorded at TEDNext 2025 on November 10, 2025) Join us in person at a TED conference: https://tedtalks.social/events Become a TED Member to support our mission: https://ted.com/membership Subscribe to a TED newsletter: https://ted.com/newsletters Follow TED! Instagram: https://www.instagram.com/ted LinkedIn: https://www.linkedin.com/company/ted-conferences TikTok: https://www.tiktok.com/@tedtoks Facebook: https://facebook.com/TED X: https://www.twitter.com/TEDTalks The TED Talks channel features the best talks and performances from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes (or less) — plus originals, podcasts and exclusive content. Look for videos on Technology, Entertainment and Design as well as science, business, global issues, the arts and more. Visit https://TED.com for our entire library, transcripts, translations and personalized recommendations. Watch more: https://go.ted.com/katiemack26 https://youtu.be/GRQlIAWVO_E TED videos may be used for non-commercial purposes under a Creative Commons License, Attribution–Non Commercial–No Derivatives (or the CC BY – NC – ND 4.0 International) and in accordance with the TED Talks Usage Policy: https://www.ted.com/about/our-organization/our-policies-terms/ted-talks-usage-policy. For more information on using TED for commercial purposes (e.g. employee learning, in a film or online course), submit a request at https://media-requests.ted.com #TED #TEDTalks #Astronomy