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Science

What If: Science, Theory, and Possibilities

by What If

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Latest episodes

  • Mining Every Planet in the Solar System

    October 9, 2026 · 28 min

    Your data is being mined right now. Protect yourself with Proton VPN. Encrypt your online presence, unlock geo-blocked content, and browse privately. Get up to 70% off: Proton VPN Every planet has something to hide, buried treasure worth…

  • Every Alien World We Could Actually Live On

    October 8, 2026 · 1 hr 23 min

    Enjoying this episode? Dive deeper into the world of science and discovery with Popular Science, the free streaming channel bringing you more of what you love from What If, plus epic explorations in engineering, rocket launches, movies…

  • Living Through Earth's Deadliest Extinctions

    October 8, 2026 · 1 hr 43 min

    Enjoying this video? Dive deeper into science and discovery with Popular Science, a free streaming channel offering more of what you love from What If, plus epic explorations in engineering, rocket launches, movies, space, and Earth…

  • Witness the End of Jupiter’s Great Red Spot

    October 7, 2026 · 20 min

    The Great Red Spot of Jupiter, a colossal storm persisting for up to 350 years, might vanish within the next 20 years. Discover the deeper implications of this potential disappearance and the broader cosmic changes occurring in our…

  • The Future of Human Civilization

    October 7, 2026 · 1 hr 60 min

    Enjoying this video? Dive even deeper into the world of science and discovery with Popular Science, the free streaming channel bringing you more of what you love from What If, plus epic explorations in engineering, rocket launches, movies…

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  • If All Humans Vanished, How Long Until Earth Erased Every Trace?

    October 6, 2026 · 28 min

    This is Earth, 1,000 years in the future. Humans are long gone... what happened here? And what remains from our time on this planet? Today, we're answering: If all humans vanished, how long would it be until Earth erased every trace of…

  • What If We Dug Through Everything?

    October 5, 2026 · 1 hr 8 min

    Enjoying this video? Dive even deeper into the world of science and discovery with Popular Science, the free streaming channel bringing you more of what you love from What If, plus epic explorations in engineering, rocket launches, movies…

  • What If You Could Perceive the Fourth Dimension?

    October 2, 2026 · 31 min

    Today, we're exploring the concept of becoming a multi-dimensional "super being," allowing you to exist anywhere at any time. Imagine walking through walls effortlessly or passing through solid steel, although legality might be…

  • Explained: Every Type of Black Hole

    October 1, 2026 · 28 min

    Today, we're exploring the different types of black holes, from microblackholes on Earth to super-extremal black holes. Discover the potential of creating microblackholes on Earth and the implications they could have, including planetary…

  • What If We Found Planet 9?

    September 30, 2026 · 5 min

    The Solar System is known to have 8 planets—9 if you count Pluto's former status. But over the last decade, scientists have observed peculiar phenomena beyond Neptune, Pluto, and the Kuiper Belt. Something mysterious is influencing the…

  • What If Our Galaxy Collided with Andromeda?

    September 29, 2026 · 5 min

    What would happen if the Milky Way and Andromeda galaxies collided? Andromeda is the closest major spiral galaxy to our own, approximately 2.5 million light-years away. Despite the universe's expansion, the gravitational pull between our…

  • What If Phoenix A, The Biggest Black Hole, Appeared Outside Our Solar System?

    September 28, 2026 · 5 min

    What would happen if Phoenix A, the largest black hole ever discovered, appeared just outside our solar system? Ever wondered what would actually happen? Explore our biggest What If scenarios and go deeper with the What If community. The…

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About the show

An epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant corners of the universe, others right here on Earth. Each scenario examines a scientific theory, research or fact through a hypothetical question.