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...
When it comes to the question of which planet humanity could one day call home, the obvious choice might seem to be Mars. But surprisingly, Venus might actually be a...
What if, someday, we decided that the usefulness of our planet had run its course, and humans needed to scour space to find somewhere new to live? But instead of...
An unexpected guest has made its way into our Solar System. It’s an interstellar object, an ISO. And it’s tumbling through space in a way that can’t be explained by...
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...
What if instead of shining brightly for another 5 billion years, the only star in our Solar System turned into a dark and cold remnant? A black dwarf. How long...
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...
At any moment of any day, the odds are that someone around the world is having an orgasm. We don’t really like to talk about them, but they’re an integral...
What do saber-toothed tigers, woolly mammoths and the dodo all have in common? They’re all extinct, and some theorize humans played a large part in this. What if...
Do you get a little nervous before a flight? If you do, you’re not alone. Between 33% and 40% of people feel some form of anxiety when they board a plane. While a giant...
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...
Black holes are the gravitational monsters of the Universe. They are so powerful that nothing, even light, can escape their grasp. One black hole is bad enough. But if...
Elon Musk says he wants to send one million people to Mars by the year 2050. The SpaceX CEO has become famous for making huge promises about colonizing the red planet...
Scroll down to watch our video. Where would I be without you, Mr. Mittens? It’s not a meme; it’s a fact: We can’t live without cats. Do you know why...
What causes moonquakes? What would happen if half of our Moon drifted away? Has the Moon already split in half? As friendly neighbors in the sky, the Moon and Earth have...
Our galaxy is full of strange worlds, but what would happen if we could bring some of them into our own Solar System? Moving exoplanets closer helps us imagine how...
Plastic surrounds us in ways most of us don’t even notice. From the toothbrushes we use in the morning to the water bottles in our hands, plastic is everywhere. But have...
Billions of years in the future, the Sun will begin to die. And this is what our planet would look like. But what if we turn things up a notch or two right now...
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...
A dark, mysterious object has appeared at the outer edges of our Solar System. It looks like the remnants of a dying star. But it behaves like a black hole. Your mission...

