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      Cosmos, Earth

      What If the Moon Collided With Earth?

      September 11, 2025
      Body

      What If Ticks Were the Size of Humans?

      November 30, 2021
      Earth

      What If the Megalodon Was Hiding in the Mariana Trench?

      December 6, 2021
      Body

      Most Dangerous Things You Could Jump Into

      August 25, 2022
      Cosmos

      What If the Moon Exploded?

      October 20, 2020
      HTS MSN

      Why You Wouldn’t Survive El Chapo’s Prison Cell

      Imagine spending years without seeing the sky or hearing another human voice. Your world is reduced to four concrete walls, a steel door, and silence so intense it...

      HTS MSN

      A 4,500 kg Hippo Is Charging at You, and You Have Seconds to Survive

      There are three words that put the fear of death into the very bravest of souls. Three words to make your blood run cold. Hungry.Hungry. Hippos. While they make look...

      Earth, MSN New

      Can You Imagine a Megalodon Hiding in the Mariana Trench?

      You’re in the deepest part of our oceans. The Mariana Trench. Suddenly, your sub experiences an earthquake. And when you look outside, you see the terrifying...

      MSN New, Earth

      A Tornado Over an Erupting Supervolcano Would Rain Fire and Molten Rock, and No One Could Outrun It

      A tornado already flings debris up to 65 kilometers from where it forms. Now change what it is picking up. Instead of roof tiles and fence posts, imagine molten rock...

      HTS MSN

      Two Dolphins Pulled a 10 Year Old Girl Underwater, Then Both Attacked Simultaneously

      What was supposed to be a fun family vacation in Cancun, Mexico suddenly became a terrifying fight for survival when a 10 year old girl found herself being attacked by...

      MSN New, Cosmos

      What Would Happen If the Moon Suddenly Became Flat?

      In 2010 an astronaut on the ISS observed a bizarre phenomenon. When he glanced out the window, he saw the Moon looked flattened when it appeared in the thickest part of...

      MSN New, Humanity

      Nuclear Rockets Could Get Us to Mars in Weeks, and They’re Almost Here

      By the year 2035, NASA plans to send humans to Mars. But it would be about a nine-month trip with our current rocket technology. However, in the not-so-distant future...

      MSN New, Earth

      This Is How Cockroaches Can Survive Almost Anything

      Here’s a nasty housemate we have all had the displeasure of knowing. Unfortunately, a remote Antarctic community might be the only place you could escape their...

      Earth, MSN, MSN New

      What If the Arctic Suddenly Became a Massive Megaslump?

      The sound of trickling water might seem harmless, even peaceful. But in the polar regions, this sound is a sinister warning of an event that could swallow up the arctic...

      MSN New, Earth

      The Day Wildlife Became Humanity’s Eyes and Ears

      Imagine stepping outside your house and realizing you are never truly alone. A pigeon sits on a telephone wire across the street. A squirrel runs along a fence. A deer...

      MSN New, Earth

      Alien Life May Have Started Everything on Earth

      For as long as humans have looked toward the stars, one question has remained unanswered: how did life begin? Scientists have searched for clues in Earth’s ancient...

      Humanity

      What If We Ran Out of Toilet Paper?

      People are fighting over it in grocery stores all around North America. Some are selling it to make an immense profit. No, this isn’t the scene of some crazy...

      MSN New, Humanity

      You Reached Space on a Jetpack, but There Was One Huge Problem

      Jetpacks have come a long way from the clunky machines once seen in science fiction. One day, they might even become practical enough for short trips. But imagine taking...

      Science

      Could We Survive on Earth If It Was Spinning Twice as Fast?

      Some say life is a roller coaster. What if it was more like this? We don't notice the earth spinning now, so what would life be like if it spun a little faster? Would we...

      HTS MSN

      Why He Didn’t Survive North Korea: The Otto Warmbier Tragedy

      In January 2016, 22 year old American college student Otto Warmbier boarded a tour flight out of North Korea expecting to return home after a short New Year’s...

      Cosmos

      What If There Were a Permanent Solar Eclipse?

      The last time the world witnessed a total solar eclipse was in 2017, and its presence delighted enthusiastic sky watchers. But what if, instead of a rare phenomena, a...

      MSN New

      How to Get People to Tell the Truth, According to Science

      When you ask someone a question, you expect a truthful answer, right? In an ideal world, people would always be honest. But research suggests reality is far messier than...

      Earth

      What If Earth Were Teleported to the Edge of the Universe?

        Let me take you on a wild ride to the very edges of our Universe. But it won’t be as simple as traveling through space. Because the edges that we’re talking...

      MSN New

      The Surprising Truth About What Would Happen If a Nuclear Bomb Exploded on the Moon

      The Moon has inspired myths, guided sailors, and lit up our nights for thousands of years. But during one of the most intense periods of the Cold War, people considered...

      MSN New

      70 Strong Earthquakes Since January. Could They Trigger the Ring of Fire?

      Since the beginning of the year, more than 70 earthquakes measuring magnitude 6.0 or greater have rattled regions along the Pacific Ring of Fire. Some have been...

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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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