About 50,000 years ago, we shared this planet with different hominids called the Neanderthals. Their species wasn’t human, but they weren’t far from it...
[dx_custom_adunit mobile_id=”RTK_v1lP”] Not too far from Earth is a giant space rock that has silently played host to just twelve people in its entire...
Every morning or every night. Before going out. Definitely after the big game. For most people, showering is routine. But for some, it’s religion. But if lots of...
Scroll down to watch the video. What could you do to stop a giant fire tornado? Or anchor a floating house? If your answer is “probably nothing,” then...
Since 1988, 71% of all the world’s carbon emissions have been produced by just 100 companies. Their operations are largely to blame for the climate crisis we now...
When it comes to the question of which planet humanity could one day call home, the obvious choice might seem to be Mars. But surprisingly, Venus might actually be a...
Obviously, we can't just pack our stuff and move there today. But what if we terraformed it - reshaped it into an Earth's image?
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...
Humans have a knack for changing the environment. Often, these projects have effects we didn’t plan for. Sometimes, it’s disastrous. And other times, it gives us energy...
It might sound like a scene from a science fiction movie, but the threat of an asteroid hitting Earth is more realistic than you might expect. One asteroid in...
What if all the coral reefs died out? What if we lost all of our coral reefs overnight? Ocean diving would become less impressive, that's for sure. But what about the...
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...
If a family member calls you from jail panicking and says they need you to wire them some money for legal fees, would you second guess them and potentially make the...
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...
The Middle Ages, a time when you were more likely to die on the toilet than take a bath. And now you’re going there with an educational mission. It’s up to...
A blazing ball of fire lies deep underground. It’s Earth’s core. This colossal sphere of molten iron far beneath your feet is what made your life on Earth...
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...
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...
The tallest man to ever walk the Earth was 2.72 m (8’9″) tall, and he quickly became an international sensation. So can you imagine what life would be like...
See that strip of stars splashed across the night sky? That’s our home galaxy, the Milky Way. You can see it from Earth because we live on its very outskirts, far...

