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      Earth, MSN

      7 Ways Earth Was Completely Different 2 Billion Years Ago

      August 14, 2025
      Body

      What If You Fell Into a Pool of Liquid Methane?

      March 25, 2021
      Cosmos

      What If We Lived on a Super Earth?

      August 9, 2020
      Science

      What If You Could Make Yourself Invisible?

      April 15, 2019
      MSN New, Cosmos

      What If We Built a Colony on Saturn’s Moon Titan?

      6 months ago
      HTS MSN

      What Happens When a Tree Falls on Your House and How to Survive

      What was that? Why is there a hole in my roof? And why am I covered in branches? They’re beautiful. They provide oxygen, and trees remove some harmful gases. But...

      Earth, MSN New

      What Would Happen IF Antarctica’s Dormant Volcanoes Woke Up?

      Deep beneath the thick layer of million-year-old ice, something is lurking quietly, waiting to rip through the rigid ice sheets. This enormous icy wasteland is sitting...

      Humanity, Technology

      8 Reasons Why an AI Takeover Could Be Closer Than You Think

      Artificial intelligence is no longer just a concept from science fiction. Today’s AI systems are rapidly advancing, with some already matching the intelligence of famous...

      Cosmos

      What If Each Planet Replaced Our Moon?

      Imagine if one day you looked up into the night sky, and saw Mars or Saturn where the Moon was supposed to be. That would sure turn our Earth into an alien world. And...

      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...

      MSN New, Cosmos

      You Could Fit 763 Earths Inside Saturn, but the Numbers Get Even Wilder

      Swipe Down for Full Video Story! The Solar System is home to a remarkable range of planets, from tiny rocky worlds to massive gas giants. But just how big are these...

      MSN New, Technology

      What If Your Car Could Never Break?

      Instead of falling apart after a single crash, now we all have cars that are completely indestructible. Would there be fewer fatalities caused by car accidents? What...

      Humanity

      What If One Million People Actually Stormed Area 51?

      If you happened to wander into the Nevada desert and stumbled upon the secret U.S. military base, Area 51, you’d quickly be arrested, killed, or maybe even...

      MSN New, Earth

      The Day It Stops Fearing People Is the Day Everything Changes

      Every wild animal keeps a distance from humans. That instinct is the only thing standing between us and most predators on Earth. Now imagine a creature large enough that...

      MSN New, Earth

      Is There Any Proof That the Kraken Could Be Hiding in the Mariana Trench?

      For centuries, the Kraken has lived in the space between myth and fear. A massive sea monster, said to rise from the deepest oceans, capable of dragging entire ships...

      MSN New, Earth

      Pangolins: This Dinosaur-Like Creature Might Disappear Forever

      Pangolins are now critically endangered in Asia because of poachers and traffickers. But why is there so much demand for them? And why are they so important to their...

      MSN New, Earth

      The Mountains Fall… And the Planet Changes in Hours

      Mountains can seem eternal, but they are constantly changing. They rise through geological forces, slowly erode, and eventually become part of the landscape around them...

      MSN New

      When 50 Million Crabs Invade an Island: The Christmas Island Phenomenon

      Every year on Christmas Island, something almost unbelievable happens as millions of tiny red crabs begin to move across the landscape in one massive, coordinated wave...

      MSN New, Earth, Humanity

      1.4 Billion Believers Against One White House, and History Says the Church Wins

      On one side sits the most powerful political office on Earth. On the other stands a man who speaks for 1.4 billion people across 183 countries. Donald Trump called the...

      MSN New, Cosmos

      The Universe Stopped Expanding, and the End of Everything Would Begin

      What if all the galaxies, stars, planets – everything – stopped moving away from everything else? Would the Universe as it is just freeze? Or would it...

      MSN New, Earth

      Every Glacier on Earth Just Melted. Here’s Which Cities Drown

      Global sea levels have already risen by about 20 cm (8 inches) since the mid 1800s, although the increase has not been the same everywhere. While that may sound minor...

      Earth

      What If the Megalodon Shark Fought the Leviathan Whale?

      Don’t be fooled by these gentle waves. These still waters hide a 20 million year death match between two prehistoric monsters. Grab some popcorn and a snorkel. You...

      MSN New, Earth

      When a Bengal Tiger Meets One of Its Most Dangerous Rivals

      Two animals. One patch of territory. Neither has any interest in sharing it. That’s the whole setup, and it’s not a hypothetical scenario dreamed up for...

      MSN New, Cosmos

      What If We Reordered the Solar System From Largest to Smallest?

      Our solar system appears beautifully organized, but its stability is actually the result of an incredibly delicate cosmic equilibrium developed over billions of years...

      MSN New

      10 Scenarios That Could End Civilization by 2027

      As 2027 rapidly approaches, the global community stands on a razor-thin edge dividing existential hazards from era-defining scientific breakthroughs. From intensifying...

      Previous 1 … 5 6 7 8 9 … 124 Next

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      Popular What Ifs

      Body

      What If You Jumped Into a Pool of Hand Sanitizer?

      MSN New, Humanity

      A 6.5 km Wide Space Cylinder Could Become Humanity’s New Home

      MSN New, Cosmos

      What If Humans Tried to Land on Kepler 22b?

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      What If Earth Was the Center of the Solar System?

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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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