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      Earth

      What If Earth Had 10 Years Left?

      October 1, 2021
      Earth

      What If Algae Took Over the Oceans?

      February 19, 2020
      Cosmos, Earth

      What If the Dinosaur-Killing Asteroid Struck Earth in 2025?

      June 30, 2025
      Cosmos

      7 Mind Blowing Ways to Fight a Black Hole Heading Toward Earth

      August 20, 2025
      Science

      What If the African Continent Broke Apart?

      March 10, 2019
      MSN New

      8 Ways the Megalodon Would Have Evolved If It Never Went Extinct

      Twenty million years ago, the oceans were dominated by one of the most formidable predators in Earth’s history: the Megalodon. This massive shark, the largest ever known...

      MSN New, Earth

      What If Earth’s Axis Was Tilted by 90 Degrees?

      The Earth sits comfortably in its orbit tilted on its axis at 23 degrees. Knock the planet over, and it wouldn’t be the Earth as you know it. Long frigid nights...

      HTS MSN

      What Happens If You’re Abducted by Aliens?

      You are driving alone through a quiet countryside road at dusk when something strange appears in the sky. A sudden white light floods your vision. The car trembles. Your...

      MSN New, Earth

      Another Planet Just Slammed Into Earth, and Here’s What’s Left

      About 50 billion rogue planets are roaming the Milky Way with no host star to hold on to, some of them three times bigger than the Earth. They don’t give off any...

      HTS MSN

      How to Survive a Sinking Ship, According to Science

      You are enjoying a peaceful day aboard a cruise ship. The ocean is calm, the sun is shining, and everything feels safe. Then, without warning, disaster strikes. A rogue...

      Earth, MSN New

      8 Incredible Outcomes If Dinosaurs Kept Evolving

      Sixty five million years ago, a massive asteroid crashed into Earth and ended the age of the dinosaurs. But what if that never happened? What if dinosaurs had continued...

      Cosmos

      What If a New Planet Formed in the Solar System?

      A gas cloud located 500 light years away from our solar system is about to become a planet. This process usually takes a few hundred million years, but what if we made...

      Humanity, MSN New

      What Would Happen If Latin America Was a Single Country?

      Latin America is spread over both North and South America, with 19 sovereign states and one independent territory. Most of them considered developing nations. Many...

      MSN New, Earth

      Scientists Say Earth’s Core May Work Like a Giant Nuclear Reactor

      Deep beneath the Earth lies a mysterious and powerful force. A wellspring of nuclear energy which could one day rip us apart. Many scientists have found clues that...

      MSN New, Earth

      Physicists Explain What Happens If a Needle Hits Earth at Light Speed

      Swipe Down for Full Video Story Imagine a tiny needle traveling toward Earth at the speed of light. At first glance, it might seem harmless, since it is so small...

      MSN New, Earth

      They Found the World’s Biggest Spider Deep in the South American Rainforest

      If you have arachnophobia, you might want to look away. What you are about to hear sounds like something pulled straight from a nightmare. Deep in the rainforests of...

      Humanity

      What If Monkeys Took Over the World?

      The monkeys have revolted. And not just with brute strength or violence. Primates have finally outsmarted humankind once and for all. It’s their planet now. How...

      MSN New, Cosmos

      The Asteroid Belt Holds Trillions of Dollars in Resources, but Who Gets to Own Them?

      Space is full of treasures. Literally. If we were able to extract the resources from the rocks in the asteroid belt alone, we could give $100 billion to every person on...

      MSN New, Earth

      What If a Black Hole Opened at CERN, and Scientists Had No Way to Stop It

      CERN, is the Nuclear Research laboratory on the border of France and Switzerland. It features the most powerful particle accelerator on Earth, the Large Hadron Collider...

      HTS MSN

      5 Poachers Went Hunting for Rhinos, but an Elephant Stopped Them and Lions Finished the Job

      South Africa’s Kruger National Park is huge and includes about five million acres of wild land; within it are some of the world’s most protected animals...

      MSN New, Earth

      Something Is Eating Through the Titanic, and the Wreck Is Disappearing

      More than a century after its tragic sinking, the RMS Titanic still rests deep beneath the icy waters of the North Atlantic Ocean. But according to scientists, the...

      MSN New, Cosmos

      We May Have Been Wrong About Black Holes, and They Are Stranger Than We Thought

      Black holes are dense and scary. They suck up everything in their way. Their gravity is so strong it bends light and warps time. But what if I told you we might have...

      Humanity

      What If Everyone Over the Age of 18 Disappeared?

      Can you imagine what the world would look like if it were run by children? We all know that our youngest generations are the future of humanity, but what would happen if...

      MSN New, Cosmos

      Jupiter Could Swallow 1,321 Earths, and the Sun Could Hold Over a Million

      Take Earth, the entire planet with every ocean, mountain, and city on it, and treat it as a unit of measurement. Jupiter could hold 1,321 of them. Then take Jupiter, the...

      MSN New, Earth

      Cyborg Insects Just Took Over the Planet, and Here’s How It Started

      The year is 2040. You hunker down with your fellow human survivors, listening for the sound of your enemy. The cyber-bugs have taken over. How did this happen? What...

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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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