Technically speaking, this marine reptile wasn’t a dinosaur, although it sure swam the Earth alongside many of them. Styxosaurus lived 70 to 85 million years ago, in the...
You’ve seen politics and national borders change all the time, but have you ever witnessed a continent literally breaking apart? Well, it’s possible...
On a dark December night in 1995, a routine commercial flight turned into one of the most devastating aviation disasters in modern history. What began as a standard...
If you were going for a refreshing swim, the last thing you’d expect is to suffocate from toxic gases. But when it comes to Lake Kivu, this is one dangerous body of...
Right now, wherever you are, you are spinning with our planet at hundreds of meters per second. But what if our planet started hitting the brakes until our world didn’t...
The sky appears darker. The temperature is starting to drop. Our rivers are freezing, crops are covered in snow! People could go hungry. Is it just me, or is the Sun...
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...
You just fell into a pool with this thing. What is this? How would falling in here affect your health? And could you actually survive this? This is a spent nuclear fuel...
Sandworms are gross-looking little things. Maybe a little bit cute. I almost feel bad using them as bait. What if instead of us hunting them, they were able to hunt us...
[dx_custom_adunit mobile_id=”RTK_v1lP”] Most people have never seen these tiny creatures before, but they may be the most vital organisms on Earth. Say hello...
Coastal cities across the globe are planning how they will keep the sea away as it rises. One solution? Just move the city. How much would it cost? How do you lift a...
Scroll down to watch the video. The Earth might not remain habitable forever. It could get engulfed by a massive solar flare, or become too hot due to climate change, or...
Latin America today is not a single country, but a vast and diverse region made up of over 20 independent nations and territories spread across Central and South...
Today we’re dropping a big bomb into the deepest part of the ocean. So grab a surfboard and get ready to hang ten on the waves of a massive nuclear tsunami. How would...
Imagine waking up one morning to find our Sun replaced by a cosmic powerhouse far stranger than anything we have seen. From giants that could swallow planets whole to...
Swipe Down for Full Video Story Jupiter is the largest planet in our solar system, a massive world made mostly of hydrogen and helium, with no solid surface to stand on...
Seawater is salty, undrinkable, and a potential source of planet-saving fuel. Hold up. Fuel? Yes, that’s right. We have the technology to convert seawater into liquid...
In March 2011, Japan was shaken by one of the most powerful earthquakes ever recorded. A magnitude 9.0 quake ripped through the east coast, triggering a massive tsunami...
Scroll down for the quiz! There is an invisible force protecting us, keeping our atmosphere in place. Without it, life on Earth would be over very quickly. I’ll...
To infinity, and beyond.
