There’s a reason why the idea of aliens living at the bottom of the sea keeps popping up in popular culture. Many of us are far more afraid of what lies down there than...
Black holes are dense and scary. They suck up everything in their way. Their gravity is so strong it bends light and warps time. But what if I told you we might have...
At first thought, volcanoes might seem like the perfect natural disposal system. They are incredibly hot, appear to swallow anything in their path, and seem limitless in...
If gravity were suddenly gone forever we’d all realize pretty quickly how much we’re taking this universal force for granted.
Our Universe was born billions of years ago. And since that time, it’s given birth to millions of galaxies, our Solar System, and who knows what else. Our Universe...
Humans have been evolving for the past six million years. But something’s gone terribly wrong. And now we are evolving backward. Once this process began, how long...
The Solar System may appear calm and well organized, but it is actually the result of billions of years of delicate cosmic balancing. Changing the order of the planets...
Love can make us do some pretty crazy things. When we’re in love, our brains release a cocktail of neurochemicals that not only affect our moods and our well...
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...
Some 13.8 billion years ago, a very hot, small and dense singularity expanded into what we now call the Universe. It hasn't stopped growing since. But what if it did?
When you think of threats from outer space, you might picture deadly solar flares, planet destroying asteroids, or even a hostile alien invasion. But scientists warn...
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...
Artificial intelligence is no longer just a concept from science fiction. Today’s AI systems are rapidly advancing, with some already matching the intelligence of famous...
This is the world 200 million years ago. No cell phones, electricity or even other humans. Would you be able to survive in this new world? Could you get yourself a pet...
Most people dream about adventure, but very few are willing to face the brutal reality of climbing Mount Everest. Rising along the border between Nepal and China...
Swipe Down for Full Video Story We’ve thrown a lot of disasters at Earth over the years: from asteroids and aliens, to the Sun’s death. But hey, the Universe is a...
Eight planets, hundreds of moons, hundreds of thousands of asteroids, and billions of comets orbiting our Sun make up our Solar System. And not once has a single black...
Would you drink water that was extracted from the Moon? With NASA’s recent discovery of water on the Moon’s surface, it might become a more common practice...
In the past 200 years, the average life expectancy on Earth has more than doubled. But despite being able to live longer, we still haven’t figured out a way to...
Today we’re dropping a big bomb into the deepest part of the ocean. So grab a surfboard and get ready to hang ten on the waves of a massive nuclear tsunami. How would...
