The world gets 80% of its energy from fossil fuels. But based on our current levels of consumption, we could run out of oil and gas in the next 50 years. And in 100...
Get your bone flute and gather around the fire. Today on What If, we’re taking you back to the time of woolly mammoths and saber-toothed cats. That’s right...
It might be the worst date on your weekly calendar, but it’s a date that you definitely don’t want to stand up. Garbage Day. You tie it all up into...
Saturn is one of the most mesmerizing planets in our Solar System. Famous for its iconic rings, it is also a world of extreme weather and puzzling mysteries. While other...
What if, someday, we decided that the usefulness of our planet had run its course, and humans needed to scour space to find somewhere new to live? But instead of...
All over the world, people are treating bodies of water like they are giant garbage dumps. And experts say that continuing these practices will result in catastrophic...
People on Earth talk a lot about colonizing Mars. But What If it had already happened and the first humans had already settled down on the Red Planet?
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...
Wouldn’t it be great to have a truly jaw-dropping view? Like windows looking directly into space? Well, it’s time to build your very own cosmic skyscraper. What would it...
By the year 2035, NASA plans to send humans to Mars. But it would be about a nine-month trip with our current rocket technology. However, in the not-so-distant future...
It’s about to get Old Testament here. What if the creepiest, crawliest, most catastrophic member of the Plagues of Egypt made an unexpected housecall? And decided your...
The delicate balance of the entire Solar System exists in a gravitational dance between planets. Swap the orbits of two of them and you could end up wreaking all kinds...
The Big Rip, the ultimate fate of our Universe. It will be a cosmic event that will tear apart galaxies, one by one. Stars, planets, you, everything will be eviscerated...
Within the vastness of the Universe, humanity is not that big of a deal. We’re not here because we’re meant to be here, we’re just… here. If...
Buckle up. We’re going to take the orbit of this rock and kick it into high gear. Behold the Moon breaking its planetary speed limit. How would this event flood...
Almost 75% of the world’s tornadoes occur in the United States, which means that about 1,300 tornadoes hit the U.S. every year. Most of these tornadoes occur between...
Spanning more than 66 million years, the Cenozoic Era shaped the world we live in today. From the rise of mammals to the emergence of modern humans, this era tells a...
Do you ever question the nature of your reality? Are you real? Or are you a product of some complex computer simulation? What I’m about to tell you might change...
This is the Universe. And this little dot here is the Earth. And this is a Big Bounce coming up, and it’s about to squash our planet. Yikes. How long would we have...
1. The Great Red Spot Isn’t Alone Everyone has heard of Jupiter’s Great Red Spot, a storm so enormous it could swallow Earth whole. It has raged for centuries, fueled by...

