The time for talk is over. Now the biggest countries on Earth are fighting for global supremacy. What would happen if the United States started World War III? Who would...
The icy moon of Jupiter. A world so frigid that its surface temperatures would instantly turn you into an astronaut popsicle. Its atmosphere is almost non existent, and...
Just north of the Martian equator lies a 45 km (28 mi) wide impact crater that scientists believe may have been the site of an ancient lake. Here at Jezero Crater...
[dx_custom_adunit mobile_id=”RTK_v1lP”] Your alarm clock rings. Do you jump out of bed? Or hit the snooze button? Do you take cream? Sugar? Or both? We make...
Back in 1846, whaling was one of the most booming industries in the whole world. It was the fifth largest sector in the United States economy, raking in a cool $10...
Humanity’s nuclear arsenal is capable of destroying all life on Earth. Over. And over. And over. Maybe it’s time we dumped it far away. We might want to inhabit...
Yet over time, they disappeared and evolved into the smaller versions we know and love today. But what if we found a way to bring them back? Why did giant mushrooms go...
How do you distinguish between past, present, and future? Is there really an order to time? Does it only move forward? Does it move in any direction at all? Stop...
[dx_custom_adunit mobile_id=”RTK_v1lP”] You’ve heard all the scary rumors surrounding vaccines: they cause autism, they contain toxins. Even that they...
There are over one million volcanoes on our ocean floor. And all of them suddenly started spewing out red-hot molten rock. The ocean is filling with lava. And nothing...
Today on What If, we’re taking Jupiter’s deadly gases and unleashing them on Earth. Where could you be safe from these toxic winds? How would you breathe...
Attention, humans. Shapeshifting alien lizards have taken control of your world. They’ve maneuvered themselves into positions of power. And they could be anyone. Where...
There’s a deadly 40,000 km (29,400 mi)-long zone that passes through 15 countries. This area is dotted with volcanoes, giving it the name The Ring of Fire. And...
Imagine a dry desert with endless sand dunes transforming into a lush, green tropical paradise before your eyes. This is the ambitious vision of terraforming the Sahara...
This not-so-little piece of equipment could change astronomy forever. And it could be about to find alien life. Maybe in a matter of days. What is this powerful new tool...
[dx_custom_adunit mobile_id=”RTK_v1lP”] Deforestation is happening all around the world. Approximately 15 billion trees are cut down every single year...
In six hours, you, your government, and 124 million other people across 14 states will be tested by the greatest disaster to ever hit the U.S. East Coast. A great wave...
We can build really big things in space. Okay, not that big – yet. But we’ve packed the Earth’s lower orbit with about 5,000 satellites – some...
[dx_custom_adunit mobile_id=”RTK_v1lP”] Science. It has saved billions of lives, allowed us to discover new worlds, and helped the world’s...
It may sound like science fiction, but imagining a battle between a gas giant and a black hole helps us understand just how fragile our Solar System really is. Such a...
