If our Moon suddenly vanished, Earth would already face dramatic consequences. But replacing it with entire alien worlds would take things to an entirely different level...
You’d better mind your waste because it’s not piling up in landfills anymore. Today, we’re going to dump it all straight into the oceans. How much trash would that...
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...
Today on What If, we’re going to build the highest bridge on planet Earth. Welcome to the Qinghai-Tibet Plateau, the “Roof of the World.”It’s home to the world’s...
10. Upload The age-old question of “what happens after we die” is at the heart of Amazon’s “Upload,” a show about a man who dies and his consciousness is resurrected in...
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...
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. 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...
Forty light years from Earth, there is a world that looks a lot like Venus. But unlike the most sweltering, hellish planet in the Solar System, this not so distant...
The emergency alert just appeared on your phone. The sky is turning dark and the wind is getting unbearable. A massive column of air is spinning its way toward you. You...
The next step in space exploration isn’t generations away. It’s happening right now. And our destination? That mysterious, desolate world next door, Mars...
What if everyone on the planet coordinated to perform the biggest “flush mob” in history? Pushing all the wastewater in the world down the drain, all at once...
What causes moonquakes? What would happen if half of our Moon drifted away? Has the Moon already split in half? As friendly neighbors in the sky, the Moon and Earth have...
Scroll down to watch the video. The truth is out there. With thousands of sightings, theories and believers, the creature known as Bigfoot has become the stuff of legend...
Earth can be full of extremes. But today, there is only one extreme. Non-stop earthquakes that last an entire year. What would it be like to live under such shaky...
It’s about to get really hot down on Earth. Because all our oceans suddenly started to boil, sending steam into the atmosphere at an alarming rate. Why would all...
Intense rainfall. Winds of 120 km/h (75mph) or higher. Storm surge. These are the signs of a hurricane. During its reign of terror, a hurricane can release as much...
It’s the most wonderful time of the year, until you get the bill. With prices skyrocketing for this festive fir, it makes you wonder if it’s worth it. So...
These slithering creatures can live in the smallest corners of your home and the darkest places you don’t dare visit. Well, not anymore, because today we’re...
[dx_custom_adunit mobile_id=”RTK_v1lP”] The world is heating up! But you’ve known that for a while. How long before it’s too late? Its estimated...

