So, is our world just an illusion? Why do some physicists believe that physical matter isn’t real? What scientific experiments have changed our view of reality...
Did you know that you ladies spend about 2,300 days of your life menstruating? That amounts to about 10,400 tampons or pads, over 5,000 pills for your cramps, and about...
Avatar’s Pandora is the wildest, most beautiful and most deadly place in the galaxy. I mean, who wouldn’t want to live here? But how could the air kill you...
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...
Black holes aren’t exactly a popular vacation destination. They feed on anything and everything that comes into their vicinity. They are dense, and unpredictably...
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...
Venus, the second planet from the Sun, is often referred to as Earth’s twin due to its similar size and gravity. However, its surface conditions are extreme...
635 light-years from where you are sitting, way out in outer space, lies a planet. The first planet to be discovered inside the habitable zone of a Sun-like star. Its...
What if we weren’t the dominant species on this planet? What if we had to compete with every other species on Earth? We are outnumbered. We are surrounded. And our...
When it comes to planets in our Solar System’s habitable zone, one world is too close to the Sun, another is too far and Earth is just right. But maybe things...
In 2021, the U.S. government released a report of alien sightings over the past 20 years. This report featured 144 sightings, mostly witnessed by military aviators. Only...
What if I told you Latin America could have hosted one of the world’s greatest superpowers? Capable of changing the course of history in ways that only players like the...
In 2010 an astronaut on the ISS observed a bizarre phenomenon. When he glanced out the window, he saw the Moon looked flattened when it appeared in the thickest part of...
Prehistoric Australia was not the sunny, laid back continent we know today. Between 126,000 and 12,000 years ago, during the late Pleistocene era, humans shared the land...
If you were to drill straight down into Mars, what would you find? Would the red planet reveal its true colors? Would you finally discover life on Mars? And how...
Life on Earth began in a way that still boggles the mind. Around 4.5 billion years ago, a chemical process called abiogenesis occurred, where life emerged from non-life...
Black holes are often imagined as cosmic vacuum cleaners, devouring everything in their path, but what would actually happen if you dared to venture into one even for...
Get ready for the most epic party of your life. Because someone replaced our Moon with a disco ball. How could you turn the Moon into a classic disco ball? How much more...
We’ve heard about terraforming the Moon and Mars as we attempt to colonize space, but what about Venus? Could we live here one day? How different would it...
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...

