A team of Russian scientists is working hard to resurrect this quintessential Ice Age behemoth. But what if they never disappeared in the first place, and still roamed...
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...
Something strange is happening on the outskirts of our Solar System. It could be a large, mysterious planet. Or, it could be a black hole. How big would this black hole...
Ah, the planet Earth, our beautiful home. We’d like to believe it will be around forever, but what if it isn’t? Aliens, comets, weapons of mass destruction, black...
If the Universe is full of stars, why doesn’t it appear white? And if it did, what would that look like? Would all the black holes suddenly become visible? And if...
It’s the most wonderful time of the year, until you get the bill. With prices skyrocketing for this festive fir, it makes you wonder if it’s worth it. So...
In space, no one can hear you scream. But just because sound can’t travel in the vacuum of space doesn’t mean that the planets and our Sun don’t make noise. What would...
[dx_custom_adunit mobile_id=”RTK_v1lP”] If you had a device designed to freeze time for everything but you, life wouldn’t be anything like what...
Space has lots of different things in it. Planets, nebulas, asteroids, the list goes on. So what would happen if we got rid of a single planet? Specifically, our largest...
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...
What if all the stars disappeared tomorrow, together with all the planets, solar systems and galaxies? What would be left of the Universe if it suddenly collapsed...
As our biggest planet, Jupiter’s immense presence helps to hold our solar system together. Its massive size and gravitational pull give it a dense atmosphere, a...
Are you one of those people who hate these little crawling things? Or maybe these ones with stingers creep you out more?
Located in the United States, one of the world’s largest volcanoes is gearing up to explode. It’s known as the Yellowstone Volcano, and it’s not just...
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...
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...
There are 79 known moons of Jupiter. What if we move Earth into its orbit too? How would jupiter’s super strong gravity affect our lives? What would our...
Get your bone flute and gather around the fire. Today on What If, we’re taking you back to the time of woolly mammoths and saber-toothed cats. That’s right...
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...
Coastal cities across the globe are planning how they will keep the sea away as it rises. One solution? Just move the city. How much would it cost? How do you lift a...

