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      What If Show
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      Earth

      Day 1 to Year 200: What Happens If Earth Becomes a Real Life Waterworld

      August 25, 2025
      Cosmos

      What If The Planets Changed Position Based on Size?

      June 29, 2025
      Body

      What If You Could Walk Through Walls?

      April 30, 2020
      Cosmos

      What If You Lived in a Cosmic Skyscraper?

      March 30, 2022
      Body

      What If Everyone Was Albino?

      April 13, 2021
      MSN New, Earth

      10 Things About Area 51 the Public Was Never Meant to Know

      For decades, Area 51 has been surrounded by mystery. Hidden deep within the Nevada desert, the highly secretive military facility has fueled countless stories about...

      Earth, MSN New

      What Would Happen IF You Fell Into Niagara Falls?

      They’re not the biggest falls on Earth, not by a long shot. But they’re certainly among the most famous. Niagara Falls attracts millions of visitors from...

      MSN New, Cosmos

      What If You Climbed the Highest Mountain in the Solar System?

      Climbing the world’s tallest mountains is a daring adventure. But you’re about to make an epic extraterrestrial trek on the biggest mountain in the entire Solar...

      Cosmos

      What If Earth Were Sucked Into a Black Hole?

      Could a black hole devour us all one day? There are millions of them out there just waiting. And if we happened to make a black hole accidentally, well, you better...

      Cosmos, MSN New

      The Reason Why You Can’t Walk on Saturn

      As you approached Saturn, you would be the first human to take in the glory of its rings and its swirling atmosphere in person. Along the way, you would pass a few of...

      Cosmos, MSN New

      Imagine If Eath 2.0 Was in Our Solar System?

      Earth is the only life-supporting planet in our Solar System. Until now. Today, we’re bringing Kepler 22-b into our planetary neighborhood. Where would this planet...

      Cosmos, Science

      What If the Earth Was Tidally Locked to the Sun?

      What if one side of the Earth always faced the Sun, while the other side was forever shrouded in darkness? Just how hot would it be on the bright side? And how cold...

      HTS MSN

      Dolphins Aren’t Always as Friendly as You Think

      Lexi Yeo thought dolphins were friendly creatures until swimming with them changed her mind forever. Out of nowhere, an aggressive bottlenose dolphin started to bite...

      Earth, Cosmos, MSN New

      What Would Happen If the Sun Exploded Tomorrow?

      That star at the center of our Solar System, that superhot ball of plasma that gives us heat and energy, and amazing complexions… well, it’s a ticking time...

      Cosmos

      What If You Traveled to a Black Hole?

      Black holes aren’t exactly a popular vacation destination. They feed on anything and everything that comes into their vicinity. They are dense, and unpredictably...

      Earth

      What If You Went Surfing on a Tsunami?

      There’s something approaching from the distance that you can’t stop. It can completely destroy cities and kill tens of thousands of people. It looks like...

      MSN New, Health

      World Health Day: What If All of the Bacteria Became Antibiotic Resistant?

      The Centers for Disease Control claims that 1 in 3 antibiotic prescriptions are unnecessary. Unnecessary antibiotics cause the body to build up a resistance to those...

      Cosmos, MSN New

      Imagine Building a City on Mars From Scratch

      The next step in space exploration isn’t generations away. It’s happening right now. And our destination? That mysterious, desolate world next door, Mars...

      HTS MSN

      How Long Could You Survive Lost in the Andes Mountains?

      There’s nothing better than being in the mountains. The air is fresh and cool. The scenery is like the Lord of the Rings movies. What could be better? Suddenly...

      Earth

      What If the World Lost Oxygen for an Hour?

      Imagine if all the Earth’s oxygen disappeared. Not forever, just for, say, an hour? Could you hold your breath that long? What would happen to the atmosphere? And...

      MSN New

      Black Widow or Funnel-web Spiders: Which Is the Deadliest?

      Few creatures inspire as much fear as venomous spiders. Just the thought of accidentally reaching into a dark corner and feeling a sharp bite is enough to make most...

      MSN New

      The Devonian Period Was Stranger and More Dangerous Than You Think

      Modern humans have existed for only a tiny fraction of Earth’s history. During that time, our species has survived ice ages, natural disasters, pandemics, and...

      MSN New, Humanity

      Scientists Played God and Created Artificial Life. Here’s the Risk

      You’ve seen it in the movies and read about it in books, but now the idea of creating artificial life in a laboratory is becoming a reality. In 2010, a team of...

      MSN New

      What If Scientists Just Found a Way to Farm Food on Mars?

      What if humans could actually grow food on Mars? Not inside sealed laboratories or artificial hydroponic systems, but directly in the Martian ground itself. Could alien...

      Cosmos

      7 Things That Would Happen If You Visited the Planet With Hot Ice

      Imagine landing on a planet where the surface looks frozen but burns hotter than your oven. Welcome to Gliese 436b, one of the strangest known planets in the universe...

      Previous 1 … 28 29 30 31 32 … 108 Next

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      Popular What Ifs

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      Body

      What If Humans Were Translucent?

      Earth

      What If We Turned Earth Into a Spaceship?

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      Humanity

      12 Catastrophic Events That Could Wipe Out Humanity

      Cosmos, MSN

      5 Things You Need to Know If You Fell Into Neptune

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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

      What If Russia Crashed the International Space Station?

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