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      Cosmos, Earth

      6 Extreme Stars That Would Replace Our Sun and Destroy Life on Earth

      August 25, 2025
      Earth

      What If Earth’s Topography Was Inverted?

      December 15, 2018
      Science

      What If We Let Synthetic Life Forms Loose?

      January 29, 2019
      Earth

      What If Earth’s Core Were a Geo-Reactor?

      June 17, 2020
      Earth, Science

      What If The Earth Was Hollow?

      July 31, 2018
      MSN New, Humanity

      What If North Korea Launched a Nuclear Tsunami at the United States?

      For decades, the relationship between the United States and North Korea has been filled with threats, military tensions, and moments of uncertainty. But what would...

      MSN New

      Venezuela Earthquakes Raise a Terrifying Question About Mega Quakes

      Powerful earthquakes recently ripped through Venezuela, shaking large parts of the western region and sending violent tremors across cities and surrounding areas. The...

      Earth, MSN New

      Never Do These Things During a Tornado

      The emergency alert just appeared on your phone. The sky is turning dark and the wind is getting unbearable. A massive column of air is spinning its way toward you. You...

      MSN New, Earth

      95 Times More Massive Than Earth, Hanging Where the Moon Used to Be

      The Moon weighs about one eightieth of what Earth does. That is why it can hang there for billions of years, tugging gently at our oceans, doing nothing worse than...

      MSN New, Humanity

      What If Trump and Putin Joined Forces to Invade 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

      Your Thoughts Go Online, and the Internet Becomes Part of Your Mind

      Imagine waking up tomorrow and realizing you no longer need a phone, a keyboard, or even a screen. You simply think about a question, and the answer appears in your mind...

      MSN New, Earth

      Does This Giant Spider Crab Eat People?

      Shinin-gani, the 10-legged deep-sea monster, has been hiding in dark kelp forests for 100 years, waiting for its next prey. If it catches you, it will drag you to the...

      MSN New, Science

      A Meal Replacement Pill Could Change How We Eat Forever, but There’s One Big Problem

      Food For thought? Pills. Three times a day, all your nutrients, all your favorite flavors. Feel like having lobster for breakfast? Done. Trying to like mushrooms, but...

      MSN Gallery

      How Long Could You Actually Survive on Each Planet?

      Body-crushing pressure. Toxic atmospheres. Unbearable temperatures. That’s what would be in store if you visited other planets in our Solar System. But what other...

      Earth

      What If You Explored the Deepest Points on Earth?

      If you traveled to the deepest points of Earth, what would you find? Lost cities, mythical sea monsters, rivers of gold? Probably not. But there is still a lot to...

      Earth, MSN New

      What If the Oceans Vanished in a Global Boil?

      It’s about to get really hot down on Earth. Because all our oceans suddenly started to boil, sending steam into the atmosphere at an alarming rate. Why would all...

      MSN New, Technology

      Google Just Went Dark for a Week, and the Chaos Was Instant

      Whether it’s Apple, Microsoft, or Yahoo, only one tech giant has reigned supreme when it comes to our search engines. Google. It’s so dominant around the...

      MSN New, Cosmos

      What Would Happen If You Dove Into Titan’s -290°F Methane Lakes for 5 Seconds?

      Titan is one of the most fascinating moons in the entire Solar System. It orbits Saturn like a frozen jewel, wrapped in a thick orange atmosphere and covered in lakes...

      Humanity

      What If Ukraine Couldn’t Grow Food This Summer?

      The war in Ukraine has altered the lives of millions. And has sent prices for goods like oil and natural gas skyrocketing around the world. But the worst may be yet to...

      Cosmos

      What If Earth Became Type V Civilization?

      Imagine a world where humanity has not only gained the ability to travel and to populate space but has progressed even further than that. Humanity can now control and...

      Cosmos

      What If a Marshmallow Hit the Earth at the Speed of Light?

      Look out. There’s an object hurtling toward Earth at the speed of light! And no, it’s not a comet or an asteroid. Yep. It’s a marshmallow. How could a marshmallow ever...

      MSN New

      What Would Happen If Ants Were the Size of Elephants?

      They can lift 5,000 times their body weight. They have armies in the thousands. And they outnumber us a million to one. But ants are tiny, right? Yeah, that’s not going...

      MSN New, Earth

      An Iceberg Falls Into a Volcano, and Instead of Cooling It Down, Things Get Worse

      Picture yourself standing beside a volcano about to erupt, the ground is shaking, smoke is rising, and deep below, molten rock is moving towards the surface. Now picture...

      MSN New, Cosmos

      We May Be About to Find an Alien Civilization Right Next Door

      Imagine receiving a message from another world. Not from a distant galaxy millions of light years away, but from a planet orbiting the nearest star system to our own. A...

      Cosmos

      What If the Great Attractor Swallowed Our Galaxy?

      These balls represent one of the strangest phenomena currently taking place in our Universe. Each ball symbolizes one of 100,000 galaxies — including our own...

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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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