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      Earth

      What Was Earth Like in Cenozoic era?

      August 4, 2025
      Earth

      Day 1 to Year 200: What Happens If Earth Becomes a Real Life Waterworld

      August 25, 2025
      Body

      What If Seeds Could Grow in Your Stomach?

      July 5, 2020
      Earth

      What If Giant Bugs Roamed the Earth?

      September 1, 2022
      Science

      What Would It Take to Terraform the Moon?

      May 16, 2018
      HTS MSN

      5 Moves That Could Save Your Life From a Crocodile

      A crocodile may swim by unassumingly but make no mistake, they are on the hunt for their next prey. Crocodiles have heightened smell, sight and hearing, and can hold...

      Earth

      What If the Earth’s Crust Suddenly Opened Up?

      Deep beneath your feet is a subterranean melting pot. A fiery inferno ready to boil over at any moment. Anywhere or anytime. Imagine that today is the day the ground...

      MSN New, Science

      Scientists May Be About to Unlock the Limitless Energy Hidden in Empty Space

      For centuries, humanity has searched for new ways to produce more energy. We have used fire, coal, oil, nuclear power, wind, and sunlight to fuel our progress. Every...

      Cosmos

      What If You Jumped on Every Planet in the Solar System?

      When I say jump, you say how high. Let’s put this to the ultimate test by hopping around the Solar System. Literally. What differences in gravity would you experience...

      MSN New

      How Different Would Life Be Without Thomas Edison?

      Few inventors in history have become as famous as Thomas Edison. With more than 1,000 patents attached to his name, Edison helped shape the modern world through...

      Humanity, MSN New

      What If China Went to War With Russia?

      Keep your friends close and your enemies closer. Wise words. But what if two of the world’s most powerful nations burned their friendship, and each other, to the...

      MSN New, Earth

      They Thought These Ancient Cities Were Myths, Until Archaeologists Found Them

      Across the world, ancient legends often spoke of magnificent cities that vanished without a trace, swallowed by time, war, or nature itself. For centuries, these places...

      MSN New

      Journey Through Earth’s Most Lethal Liquids

      Prepare yourself for a dive into some of the deadliest environments on Earth. From scalding waters and venomous creatures to freezing chemicals and molten rock, each...

      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...

      MSN New, Cosmos

      Earth Reached the Edge of the Universe, and What Happens Next Is Terrifying

      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 about...

      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

      The Name Says Bird Eater, and That Was a 300 Year Old Misunderstanding

      Somewhere in the 1700s, an artist drew a giant spider devouring a hummingbird. That single illustration gave the animal its name, and the name has been misleading people...

      HTS MSN

      He Stepped Inside the Robot’s Safety Fence, and Seconds Later It Pinned Him to a Machine

      Industrial robots are intended to make factories work more quickly and efficiently, but they can also become extremely hazardous if anything goes wrong. At present...

      MSN New, Earth

      Two Quakes Left Visible Cracks, and 3.5 Million People Live in the Path

      Two earthquakes have already cracked it. One in 1979. Another in 2011. Both left visible fractures in the wall of a dam that was built more than a century ago, and both...

      MSN New, Earth

      What Happens to Your Body If You Drink Lake Natron’s Toxic Water?

      Lake Natron in northern Tanzania is notorious for killing and preserving dead animals. If you died in its waters, its high levels of sodium carbonate would mummify your...

      Science

      What If We Lived Our Lives Backward?

      Some say, “youth is wasted on the young.” So what if it wasn’t? What if you didn’t have to dread aging? Your eyesight failing? Your joints aching...

      MSN Gallery

      From Blue Glows to Decades of Darkness, These Are the Universe’s Strangest Sunsets

      A sunset on Earth feels almost predictable. The sky catches fire with shades of orange, pink, and red, the Sun slips below the horizon, and darkness gradually takes over...

      Cosmos

      What If a Dark Hydrogen Iceberg Fell to Earth?

      A mysterious interstellar object is on a collision course with Earth. And scientists don’t know what it is. What could this new astrophysical object be? Where did it...

      Humanity, MSN New

      What If We Built a Second Artificial Moon?

      We can build really big things in space. Okay, not that big – yet. But we’ve packed the Earth’s lower orbit with about 5,000 satellites – some...

      Earth

      What If Earth Gradually Came to a Standstill?

      Right now, wherever you are, you are spinning with our planet at hundreds of meters per second. But what if our planet started hitting the brakes until our world didn’t...

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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.

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