You wouldn’t notice it at first. But every second, the air around you is thinning, just a little. Within 30 seconds, you’d be gasping. Engines would fail, hospitals...
In a galaxy far away, gravity didn’t quite work the way it does on Earth. And the speed at which everything moved was really weird too. Maybe, some places in our...
Imagine a scenario where the Moon, our constant companion in the night sky, begins a deadly trajectory toward Earth. The consequences would be catastrophic, reshaping...
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...
This is the Mullaperiyar Dam. It has been around since well before your grandparents were born. And it could fail at any moment now. What could cause the dam to collapse...
Imagine this a black hole, one of the universe’s most extreme objects, is hurtling straight toward Earth. Rather than waiting to be swallowed, humanity decides to fight...
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...
Earth has gone through at least five major ice ages in its history. And you better start adapting now. Because another ice age is about to begin. Hypothetically. How...
Space tourism is happening now. Soon enough, you might be able to take your own vacation into the cosmos. What would your travel experience be like? What would you see...
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...
Our planet has seen this before. Its ice has already melted. Water levels have risen. Ocean currents have already stopped. The last time this happened was 13,000 years...
In the center of our Solar System, there is a ticking bomb. And when it explodes, it will end all life on Earth. That ticking bomb is our Sun. Like all the stars in the...
A rogue star is headed straight for our Sun. If these two stars slam into each other, it could spell the end of all life on our planet. How could a rogue star end up in...
The moon has been our friendly neighbour in the sky for billions of years. It has guided us home, kept us on time, protected us, propelled us into space and has even...
We all know our time here is limited. But we don’t know by how much. Are we better off not knowing when we’ll die? Or would a countdown help us all to lead...
Did you know that a single snake bite can kill an adult elephant in just a few hours? And if you’re not careful, snake venomc can kill you in only 15 minutes. But...
We heard the warnings. But we didn’t listen. Now, we live in a world controlled by artificial intelligence. How did we let this happen? Will we able to survive...
From a bad hair day to a tragic natural disaster, wind can be extremely disruptive. Wind can be a formidable foe. But what if this powerful force just didn’t exist...
From the gradual heating of our Sun to the slow death of the cosmos, the future of Earth and the Universe is a story of breathtaking transformations, cosmic collisions...
Over the past century, astronomers have speculated about the existence of a mysterious 9th planet lurking in the outer reaches of our solar system. Although we’ve...
