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      What If Show
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      Earth

      What If it Rained Every Day for a Year?

      April 14, 2021
      Science

      What If We Never Discovered Antibiotics?

      July 11, 2018
      Earth

      What If Earth Reached Boiling Point for 5 Seconds?

      December 7, 2022
      Humanity

      What If the U.S. Started World War III?

      December 2, 2021
      Body

      What If the Coronavirus Mutated?

      April 28, 2020
      MSN New

      Scientists Are Already Building a Portal to a Parallel Universe

      The idea of opening a portal to a parallel universe sounds like pure science fiction. It brings to mind stories filled with mysterious gateways, alternate realities, and...

      HTS MSN

      Why a Giant Centipede Bite Is Every Hiker’s Nightmare

      They can be larger than your foot. They are carnivorous and prey in the dark, damp places. They’ll use their venomous pincers to bite you. And as the venom enters...

      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, Cosmos

      NASA’s Moon City Isn’t Science Fiction Anymore. Here’s What Living There Would Cost You

      Everything you take for granted has a price on the Moon. Air is manufactured. Water is mined and recycled endlessly. Warmth is engineered. Even a walk outside requires...

      Earth, MSN New

      What If These 5 Things Vanished for Just 5 Seconds?

      There are some things you just can’t live without. Like gravity, oxygen, the Sun’s warmth. And we’re about to take those vital things away from you...

      HTS MSN

      Kayaking Dad Battles Rabid Beaver to Save Daughter in Terrifying Attack

      Dan Wherley never thought of beavers as dangerous. Slow, harmless, busy building dams somewhere out of the way. That opinion changed in about two seconds, when one leapt...

      Cosmos, MSN New

      What If You Could Survive on the Moons of Jupiter?

      Jupiter is the king of moons. With 95 of them orbiting the gas giant, some are so large they rival planets in size. But what would it actually be like to live on one of...

      HTS MSN

      A Chimp Is 5 Times Stronger Than You. Could You Survive One?

      Hey, who threw that? Oh no. It’s a pack of angry chimpanzees, and they’re coming for you. There’s no way that you can outrun them. They’re too fast. So...

      Humanity

      What If We Dumped Our Trash in the Bermuda Triangle?

      It’s one of the most dangerous and mysterious places on Earth. It’s home to dozens of sunken ships, plane crashes, and dead people. It’s known as the...

      HTS MSN

      The Worst Mistakes You Can Make During an Earthquake

      Earthquakes happen more often than many people realize. Smaller quakes of magnitude two or lower occur hundreds of times each day around the world. Stronger earthquakes...

      HTS MSN

      A 360 kg Tiger Went After Him, and Its 17 cm Teeth Were Only the Beginning

      Carol Baskin was wrong. Tigers are not big, cuddly cats. And as you find yourself with one on top of you, you’d better hope you don’t become a rodent in this...

      Earth

      What If the Megalodon Shark Never Went Extinct?

      An ancient creature is lurking in the ocean. It’s double the size of a T.rex. Its gigantic jaws could crush a car. And now, it’s on the hunt for you...

      HTS MSN

      40 Elephants Stampeded Toward Tourists, and Running Could Have Made Things Worse

      Documentaries allow humans to view these spectacularly massive mammals up close in their natural environment. But as this crew learned, sometimes it’s better to...

      MSN New, Humanity

      They Went Extinct for a Reason – Now We’re Bringing Them Back Anyway

      Nature already made its decision. The woolly mammoth, the saber toothed tiger, the dodo bird, all of them were judged by climate, by predators, by shifting ecosystems...

      Earth

      What If Aliens Brought Life to Earth?

      It’s the oldest question on Earth. Where did we come from? Some people may thank a creator from above, but what if the hand that created humanity wasn’t...

      MSN New, Humanity

      What If Trump and Putin Invaded Europe?

      This war didn’t come out of nowhere. The signs were hiding in plain sight. Trump slams Europe with devastating tariffs, crippling economies across the continent...

      MSN New, Humanity

      The Internet Just Went Dark for Good. Here’s What Happens to Us

      Imagine waking up tomorrow morning and reaching for your phone. You tap your favorite social media app, but nothing loads. You try opening your email, searching on...

      MSN New, Humanity

      AI Is Learning Your Weaknesses, Your Fears, and Your Desires, Then Comes the Real Problem

      Artificial intelligence is getting better at understanding people every year. It recommends the movies we watch, the products we buy, and even the music we listen to...

      Earth

      What If All Antarctica’s Ice Suddenly Melted?

      Underneath Antarctica’s vast ice sheet lies one of the planet’s greatest mysteries. What would happen if every last piece of ice on the southern continent suddenly...

      MSN New, Cosmos

      22,000 Pounds of Rock Falling Every Second, That Is What Living Under Martian Rings Means

      Picture standing on Mars and looking up at a ring stretching across the sky. Beautiful, until you understand what those rings eventually do. Every piece of that debris...

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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

      What If Earth Was Shaped Like a Donut?

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