1. The Earth Rotates Every 24 Hours No matter how many times you set it, your watch will always be a little off. That’s because the common belief that our planet...
If you traveled 10,000 years into the future, what would planet Earth look like? Would most of its surface be covered in volcanoes? Or would it be frozen in ice? What if...
Attention human. You are receiving an interstellar radio transmission. And it could be coming from one of the nearest exoplanets, Proxima Centauri b. What conditions...
It was an image that defined an era of space exploration. In 1969, an estimated 600 million people watched from their living rooms as Apollo 11’s Eagle lander...
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...
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...
Could we all just be a part of our planet’s life-support system? Even from space, you can see that the planet Earth is full of life. When you take a closer look...
As the world watches the war Russia brutally started in Ukraine, you wonder how these countries would be different if the dictator Vladimir Putin never took office. Who...
Reports suggest that by the year 2030, 800 million jobs will be lost to automation. Will yours be one of them? We used to be afraid that robots would rise to power and...
Sixty six million years ago, a massive asteroid impact wiped out about three quarters of all life on Earth, including every non avian dinosaur. But what if science could...
Would this be good or bad news?
About 65 million years ago, a mass extinction event occurred, wiping out more than 75% of all species on Earth. There have only been 5 mass extinctions in our...
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...
As thrill-seekers, we like to do a lot of extreme, gravity-defying stunts to push our limits. If base jumping or caving is your thing, how about taking a tumble all the...
2020 has been one of the worst years in human history. It’s been strange, confusing, and often terrifying. But what if when the clock strikes midnight on December...
Welcome to the Qinghai-Tibet Plateau, the “Roof of the World.”It’s home to the world’s tallest mountain, Mount Everest. But also the longest, deepest canyon on the...
Scroll down to watch the video. Long after the invention of airplanes, we still dream of being able to fly on our own. But without wings, our options are kind of limited...
Some places in the Solar System have some pretty expensive rain falling on their surface. Let’s see if we could bring those home. What would it take for Earth to...
Breaking news. Flags are flying at half-staff. The world mourns the death of a beloved monarch. Queen Elizabeth II has passed peacefully in her Balmoral Castle in...
Nearly 800 million light-years away, something has been forming. Scientists aren’t exactly sure what it is but have dubbed it ‘the black neutron star.’...
