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      Earth

      What If the Megalodon Shark Fought the Mosasaurus?

      June 18, 2020
      Cosmos, Earth

      8 Space Lies You Were Told About Space

      August 5, 2025
      Humanity

      What If Ukraine Couldn’t Grow Food This Summer?

      June 14, 2022
      Body

      What If You Swallowed Liquid Mercury?

      September 29, 2021
      Science

      What If Plastic Was Never Invented?

      April 25, 2018
      MSN New, Earth

      What Scientists Discovered Hidden Inside Whale Earwax

      Deep inside the ocean, whales carry a hidden record of their entire lives. But this information is not stored in their bones or DNA. It is hidden inside something most...

      MSN New, Earth

      The Paleozoic Era Lasted 289 Million Years, but It Ended in Earth’s Deadliest Extinction

      The Paleozoic era began 530 million years ago when the Earth woke up from an ice age. This era lasted for 289 million years, but you might not even last five minutes in...

      MSN New, Earth

      A Powerful Storm Revealed a 5,000-Year-Old Village Hidden Beneath the Sand in Scotland

      For thousands of years, a forgotten village lay hidden beneath layers of sand on a remote island in Scotland. Its stone walls, ancient furniture, and mysterious rooms...

      Humanity

      What If You Lived in Ancient Rome?

      Throughout history, there have been many incredible civilizations that have shaped the way we live today. One was Ancient Rome, a once majestic and thriving city whose...

      MSN New, Humanity

      Humanity Could Harness the Sun, and Even Moving Earth Could Become Possible

      When it comes to energy, we have a long way to go before our utility bills become a thing of the past. On the Kardashev scale we’re still a Type 0 civilization...

      Cosmos

      What If Jupiter Collided With Earth?

      The biggest planet in the Solar System has gone rogue. And now it’s heading straight toward Earth. You have 30 days till this gas giant wipes us all out. What speeds...

      HTS MSN

      White Island: The Worst Volcano Tragedy Caught On Camera

      What was meant to be a once in a lifetime adventure quickly turned into one of the deadliest volcanic disasters ever recorded on camera. Whakaari, also known as White...

      Humanity

      What If We Planted a Trillion Trees

      It’s dawn, it’s dark, and you don’t what kind of weather is waiting for you outside your tent. It doesn’t matter anyway. In rain, hail, sleet...

      HTS MSN

      He Was Attacked by a Cougar on a Hike, and Fighting Back Saved His Life

      You are walking along a quiet trail when something suddenly moves inside the bushes. There is barely any wind, so the rustling immediately catches your attention. Then...

      HTS MSN

      A War Crew Was Ambushed on the Road, and Their Cameraman Was Shot Twice

      British chief correspondent Stuart Ramsay and his Sky News team were trying to reach Kyiv when they found themselves driving through an area that seemed strangely quiet...

      MSN New, Earth

      You Enter the Mariana Trench, and 5 Seconds Underwater Changes Everything

      The Mariana Trench is the deepest known part of the world’s oceans, located in the western Pacific Ocean near the Mariana Islands. At its lowest point, the Challenger...

      MSN New

      What If We Lived in a Globular Cluster?

      Take some cosmic dust and gas, add billions and billions of planets and a whole lot of stars to the mix. Spice it all up with a handful of gravity to hold things...

      HTS MSN

      Tortured in North Korea: The Timothy Cho Tragedy

      Imagine being just 11 years old and being forced to stand in a public square alongside other children from your neighborhood. In front of you, a man is tied to a post. A...

      Cosmos

      What If We Turned the Moon Into a Giant Farm?

      As Earth’s population multiplies each year, we’re quickly running out of resources to feed the planet. Before long, we’re going to need more space to...

      MSN New, Cosmos

      The Universe Started With Almost Nothing, and Somehow It Created Stars, Planets, and Life

      Take a look around wherever you’re sitting. Your phone, the walls, the air, your own body. None of the material in any of it existed when the Universe began...

      MSN New, Humanity

      Scientists Say a Single Antimatter Bomb Could Be the Most Destructive Force on Earth

      Imagine a weapon so powerful that it does not rely on traditional explosives, nuclear reactions or chemical energy. Instead, it uses one of the rarest substances in the...

      MSN New, Humanity

      A Whale Swallowed You Whole, and Here Is What Would Happen Next

      The thought of being swallowed by a whale sounds like something from an ancient legend rather than a real possibility. Tales of people disappearing into enormous sea...

      MSN New, Cosmos, Earth

      The Day a New Planet Appears in Our Sky Could Be the Beginning of the End

      The Solar System looks stable. Planets in their lanes, everything running on schedule, the same arrangement holding for billions of years. Now picture looking up one...

      MSN New, Earth

      The Mysterious Zebras No One Can Explain in California

      California is famous for its golden beaches, towering palm trees, Hollywood celebrities, and scenic coastal highways. But along one stretch of the Pacific Coast Highway...

      MSN New, Earth

      If Earth’s Atmosphere Vanished, Here’s How Long You’d Last

      The air around you is so ordinary that you rarely think about it. Yet every breath, every sound you hear, every cloud in the sky, and every drop of liquid water depends...

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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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