[dx_custom_adunit mobile_id=”RTK_v1lP”] If you were exposed to the harsh depths of space, you’d lose consciousness in 15 seconds, and be dead within 30...
If you could, would you live on the Moon? Not as one of the courageous early settlers, but as a citizen of a fully-functioning Moon city. What would they be built out of...
TOI 849b is one of the largest rocky planets ever discovered. It’s a massive, desolate world with zero atmosphere, orbiting incredibly close to its star. Temperatures...
Most insects are harmless, and many play an important role in the environment. But a small number possess painful stings, toxic venom, or defensive chemicals that can...
What if, instead of Trump or Biden becoming the next U.S. President, there was a third-party candidate? And that candidate was Elon Musk? What if Elon Musk became the...
Today on What If, we’re going to build the highest bridge on planet Earth. Welcome to the Qinghai-Tibet Plateau, the “Roof of the World.”It’s home to the world’s...
Imagine, it comes out of nowhere. A blinding flash, spanning the entire globe. It lasts only a few seconds, but when it’s over, everyone’s memories have been...
Across the planet, some animals repeat journeys so extreme that they make human endurance look insignificant. They cross continents, oceans, and entire hemispheres just...
Birthday balloons falling limply to the ground. Satellites, medical scanners and TVs fading to black. And twinkling stars in the night sky disappearing one by one. All...
I know what you’re thinking. This is… really weird. And also pretty funny. But instead of this just being a silly internet video, what if this were our...
In a matter of days, a nearby volcano will erupt, spewing debris and lava, and decimating your city. You know that fighting fire with fire usually makes things worse...
Martians might really exist… In the future. But instead of the aliens of sci-fi movies, martians would be humans born and raised on Mars. Why would your skin be...
Absolute zero is the lowest possible temperature in the Universe. Nothing gets colder than that. So if the entire Earth suddenly cooled down to the most frigid...
If you were to drill straight down into Mars, what would you find? Would the red planet reveal its true colors? Would you finally discover life on Mars? And how...
Imagine swimming in the open ocean and suddenly coming face to face with a monster larger than any shark alive today. Faster than a speeding boat and armed with crushing...
How long would it take us to turn our natural satellite into a habitable place? How would this Earth-like Moon look? Would this even be possible? Wondering why we chose...
For 20 years, Russian scientists and engineers drilled deeper and deeper, hoping to uncover whatever mysteries the hole may hold, earning it the ominous nickname of...
For whatever reason, you are the last human on Earth. So what do you do? Eat like a king? Move into Buckingham Palace? Drive fast? Blow things up? Be naked all the time...
In January 2016, 22 year old American college student Otto Warmbier boarded a tour flight out of North Korea expecting to return home after a short New Year’s...
What if there are other universes, just like ours? With an infinite number of Earths? With uncountable versions of you? And what if we don’t have to look too far...
