The Universe is packed with worlds where sunsets don’t just fade into night, they bend the rules of physics. From double sunsets to glowing ice and strobing pulsars...
How many sea animals would face extinction? Could the corals rebuild themselves from scratch? How would this massive die-off affect humanity? Corals are not rocks. They...
Well, 25% of Europe’s primary energy is generated from gas. In Germany, for example, while a significant part of our gas is used to heat our homes, the largest...
On Earth Day, we’re reminded just how delicate and interconnected our planet’s systems really are. From the air we breathe to the water we drink, even the smallest...
Humans are built for life on land, but what if evolution had taken a different path and sent us back into the ocean? To imagine this, we need to look at some of the...
Do you find the dark unsettling? Have you ever watched the big game on your refrigerator? With all the conveniences of modern living available in your pocket, or at the...
Have you ever felt like it was so hot out that you could cook an egg on the road? Or do you enjoy incredibly spicy foods for the thrill of it? Well, imagine living in an...
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...
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...
Sixty-six million years ago, an asteroid as big as Mount Everest was headed on a deadly collision course with Earth. The impact was so devastating that it wiped out the...
Extreme human height can take two very different forms. On one end of the spectrum are individuals who are among the shortest people in the world, standing at under 2...
There are more than 2,000 satellites orbiting Earth right now. And there are about to be a lot more. But what does this mean? Endless entertainment. Non-stop...
Scroll down to watch the video. It’s the largest star that we’ve ever discovered: UY Scuti. And if it were to replace our Sun, it would change a lot more...
What advice would you give your younger self if you could travel back in time?
This rogue star has been traveling the Universe. And now, it’s finally entering our Solar System. But this isn’t just any regular star. It’s known as a...
When it comes to energy, we have a long way to go before our utility bills become a thing of the past. On the Kardashev scale we’re still a Type 0 civilization...
Space is famous for being unimaginably vast. Yet even among its endless distances, there are places that make the rest of the Universe seem crowded. One of those places...
Isn’t it beautiful? Look at this cutie! Enjoy it while you can. Because if we don’t act right now, in less than 80 years, we won’t be able to...
When you travel to an abandoned place, it’s important to remember that people left these towns for a reason. It could be due to dangerous human activities...
The next time you see that adorable hummingbird at your feeder, remember one thing. It might take your life. Because in this world, every bird works for the government...

