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      What If Show
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      Cosmos

      What If You Found Life on Europa?

      August 29, 2025
      Earth

      What If All Antarctica’s Ice Suddenly Melted?

      12 months ago
      Cosmos

      What If a Dark Hydrogen Iceberg Fell to Earth?

      December 14, 2021
      Cosmos

      What If We Found Alien Life on Enceladus?

      November 20, 2019
      Body

      What If You Never Took Off Your Face Mask?

      December 9, 2020
      HTS MSN

      What Catnip Actually Does to Your Cat’s Brain

      If you’ve ever given your cat a toy filled with catnip, you’ve probably seen the transformation happen within seconds. One moment they’re calm and...

      HTS MSN

      Lost in the Desert? According to Science, Here’s How to Stay Alive

      Few environments on Earth are as unforgiving as the desert. Humans are built to survive within a fairly narrow range of temperatures, and we depend on a steady supply of...

      HTS MSN

      A 400 Pound Tiger Dragged Him Across the Stage in Front of the Audience

      Witnesses described the sound first. Loud, chaotic, a sudden eruption cutting through what was supposed to be a carefully controlled performance. On October 3rd, 2003...

      Cosmos

      What If We Replaced the Moon with Jupiter Overnight?

      Do you love Jupiter? Do you love it so much that you could look at it every day? I hope so. Because it just took the Moon’s place, and Earth will never be the same...

      Humanity

      What If Spiders Were the Size of Humans?

      Eight legs, eight eyes, sharp fangs, and bullet-proof webs. They’re hairy, they’re scary, and now, they’re human-sized. As many as 427 million people...

      Humanity

      What If You Lived In a Closed Biosphere?

      What if we took everything that sustains life on this planet, and shrunk it down to one small bubble? Earth’s biosphere stretches about 20 km (12 mi). From the...

      Technology

      What If You Could Trap a Ghost Like a Ghostbuster?

      You’re in the Ghostbusters universe. With a quick stomp, demons are as good as gone. So how would life change if you could bust ghosts in real life? Would you need...

      MSN New

      How a Trillion Trees Could Change the Future of Earth

      Before sunrise, deep in remote terrain, a single worker steps out of a tent into cold, uncertain weather. The job ahead is simple in theory but brutal in practice...

      MSN New

      The Hidden Truth About Elephant Empathy

      Elephants are among the most intelligent and socially complex animals on Earth, yet they remain less studied than many other species such as primates or dogs. Because of...

      MSN New, Earth

      What Really Happens If You Drain the Mediterranean Sea?

      Imagine the Mediterranean Sea slowly disappearing. Ancient shipwrecks would emerge from the seafloor, islands would become mountains, and Europe and Africa would...

      Science

      What If We Didn’t Have Free Will?

      [dx_custom_adunit mobile_id=”RTK_v1lP”] Your alarm clock rings. Do you jump out of bed? Or hit the snooze button? Do you take cream? Sugar? Or both? We make...

      Humanity

      What If You Lived During the Middle Ages?

      Have you ever been curious about Medieval life? Would you travel back in time if you could? Do you think you would enjoy it? How long would you last? Hear ye, hear ye...

      HTS MSN

      A 500 Pound Circus Bear Attacked Her Trainer Mid Performance

      In August 2024, 48 year old Sergei Prichinich was entertaining a crowd in Russia while he guided Donut, a nearly 500 lb (227 kg) brown bear, around a cage on a...

      MSN New, Earth

      Imagining a Canal Between the United States and Mexico

      What if we physically separated the United States and Mexico with a massive engineered waterway? In theory, it could create entirely new trade routes, generate huge...

      Earth

      What If You Were Attacked by a Megalodon?

      The most deadly predator of the sea spent its day conquering and terrorizing every creature in sight. This is the megalodon. It lived millions of years ago, but...

      Humanity

      What If You Lived in the Devonian Period?

      Human beings have existed for 300,000 years and have managed to live in many unstable environments. We’ve survived ice ages, devastating pandemics and world wars...

      Humanity

      What If You Knew What Would Happen in 100 Years?

      A century of history flashes before your eyes. Not the past, but the future. And now you know how life would unfold over the next 100 years. What changes would happen to...

      HTS MSN

      The Ocean’s Top Predator Is Coming for You. Now What?

      Your day at a marine park went terribly wrong.You got so excited that you didn’t watch your step and fell into a tank filled with 9 m (29 ft) killer whales. Now...

      MSN New, Earth

      What If We Poured Liquid Nitrogen Into a Volcano?

      What would happen if you dumped one of the world’s coldest liquids into the boiling, volatile mouth of a volcano? Would it freeze all of the lava inside? Could it...

      Cosmos, MSN New

      What Happens When You Detonate a Nuke on Mars?

      You would live in giant glass domes, and grow small portions of food inside. And if you happen to go outside, it would be in your big clunky spacesuit, and you...

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      Popular What Ifs

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      What If is presented by Underknown, a production company creating a variety of short-doc series that search for the underlying truth of how our world operates and how it came to be. Our shows take you to the frontiers of science and make the most complex ideas and theories entertaining and accessible.

      Popular What Ifs

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