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...
Could we all just be a part of our planet’s life-support system? Even from space, you can see that the planet Earth is full of life. When you take a closer look...
10. Upload The age-old question of “what happens after we die” is at the heart of Amazon’s “Upload,” a show about a man who dies and his consciousness is resurrected in...
What if all the Earth’s land became ocean, and all the oceans became land? And what if our mountains turned into deep trenches, while the trenches grew to the...
As the nukes dropped on every major city around the globe, everyone sought shelter, but there was nowhere to hide. In an instant, civilization as we knew it was...
Elon Musk has just claimed Mars as his own personal planet. Building his own human colony on the Red Planet, independent of Earth and with it’s own set of laws...
What’s the best place to put solar panels? Close to the Sun, of course. And in this scenario, we’re going to build the most efficient solar farm possible...
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...
Sixty six million years ago, a colossal asteroid crashed into what is now the Yucatán Peninsula in Mexico. It triggered the extinction of the dinosaurs and wiped out...
Humans have been evolving for the past six million years. But something’s gone terribly wrong. And now we are evolving backward. Once this process began, how long...
Imagine a future where the unthinkable happens. A global catastrophe wipes out nearly everyone on Earth, leaving only two human beings alive. With the survival of the...
We visit a lot of planets here on WHAT IF, but K2-141b is the most extreme one yet. Are you ready to jump on board this one-way space shuttle? If you’d rather stay...
Imagine waking up on a version of Earth where the sky glows yellow, the air scorches your lungs, and the ground melts your shoes. That is what life would look like if...
A rogue star is headed straight for our Sun. If these two stars slam into each other, it could spell the end of all life on our planet. How could a rogue star end up in...
Are we alone in the Universe? With more than 100 billion galaxies in the observable universe and at least 500 billion planets in the Milky Way alone, don’t you...
Proxima b is very promising. It orbits a red dwarf star called Proxima Centauri in a system with three stars in it. Proxima Centauri is small. It only has between 7.5%...
Scroll down to watch the video. Imagine if we could control earthquakes and tsunamis to generate power. Or maybe even terraform every planet in the solar system. These...
Imagine the Sun releasing a burst of energy so powerful it could knock out power grids, stop airplanes mid flight, and push our world back into the dark ages. This is...
There are 79 known moons of Jupiter. What if we move Earth into its orbit too? How would jupiter’s super strong gravity affect our lives? What would our...
Buckle your seatbelts. We’re about to take a ride on the cosmic superhighway. What exactly are these celestial autobahns? How would they help us explore the furthest...
