Is it a meteor shower? Space debris? No, it’s something much, much worse. Our nearest neighbor is a full Moon no more. The Moon exploded and splintered into...
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...
Millions of years ago, the Earth looked very different. A huge landmass, called Pangea, covered about a third of our planet. But about 175 million years ago, the Earth...
As the CEO and founder of Amazon, the multibillion dollar online shopping company, Jeff Bezos is the richest person on the planet. With a current net worth of $270...
Washington, D.C. is more than just the capital of the United States. It is the center of American political power, home to the White House, Congress, the Supreme Court...
Imagine a tornado spinning over an erupting supervolcano. The result would be catastrophic beyond comprehension. While such a collision is incredibly unlikely, exploring...
Tired of living on an overpopulated Earth? Why not move to the O’Neill Cylinder? An artificial state-of-the-art space habitat where we can control everything...
Hello, tovarisch. Welcome to the U.S.S.S., where we drink vodka for breakfast. Where we cuddle our pet bears in our backyards. And where, instead of taking a morning...
If you could travel back roughly 250 million years, you would not see the Earth you know today. Instead, you would arrive at the very beginning of the dinosaur story...
In the past 200 years, the average life expectancy on Earth has more than doubled. But despite being able to live longer, we still haven’t figured out a way to...
A dark, mysterious object has appeared at the outer edges of our Solar System. It looks like the remnants of a dying star. But it behaves like a black hole. Your mission...
Across the planet, some animals repeat journeys so extreme that they make human endurance look insignificant. They cross continents, oceans, and entire hemispheres just...
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...
Swipe Down for Full Video Story Deep above the South Atlantic Ocean, there is a region of space that has puzzled scientists and space agencies for decades. In this zone...
Deep within the grasslands and dry regions of southern Africa lives a tiny predator that has earned a fearsome reputation among wildlife experts. At first glance, the...
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%...
It’s the end of the world as you know it. Every human on Earth suddenly went extinct. And it’s time for nature to make its ultimate comeback. What would happen to...
On the morning of March 20, 1995, millions of commuters packed into Tokyo’s subway system just as they did every weekday. Trains arrived on schedule. Office...
What if all the stars disappeared tomorrow, together with all the planets, solar systems and galaxies? What would be left of the Universe if it suddenly collapsed...
Where did COVID-19 come from? Some think it originated in this Wuhan wet market. While others think it comes from bats. But could it be possible that COVID-19 was made...
