[dx_custom_adunit mobile_id=”RTK_v1lP”] What if your reality was nothing more than a complex computer simulation? And if you were just a program on someone...
But how would a second moon affect the ocean tides? Would months on Earth become longer or shorter? And would these two satellites inevitably collide to cause a...
Under extreme circumstances, humans can often pull together to overcome great odds. But when confined in a tight space with each other, well, we may not be at our finest...
Once a revolutionary invention, it's now filling up our oceans and killing thousands of whales, birds, turtles... Just how much plastic do we have around us?
This giant rock lights up the night and can even change colors. So what would we do without it?
You’ve traveled thousands of light-years through interstellar star systems. And now you’re stranded on a planet you know nothing about. As long as...
Buckle up. We’re going to take the orbit of this rock and kick it into high gear. Behold the Moon breaking its planetary speed limit. How would this event flood...
What does wealth look like to you? Is it a hundred dollars? A thousand dollars? A million dollars? We can always go higher. But how much is too much? In...
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...
[dx_custom_adunit mobile_id=”RTK_v1lP”] There are certain days in your life that stand out more than others. You can recall them, as if they happened...
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...
We can build really big things in space. Okay, not that big – yet. But we’ve packed the Earth’s lower orbit with about 5,000 satellites – some...
You’re in the Ghostbusters universe. With a quick stomp, demons are as good as gone. So how would life change if you could bust ghosts in real life? Would you need...
From the gradual heating of our Sun to the slow death of the cosmos, the future of Earth and the Universe is a story of breathtaking transformations, cosmic collisions...
Every year, about half a dozen hurricanes reach the United States. With effects ranging from heavy winds and some flooding to the complete decimation of communities...
The next time you see that adorable hummingbird at your feeder, remember one thing. It might take your life. Because in this world, every bird works for the government...
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...
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...
No, that’s not Photoshop. That’s an actual video from the International Space Station of the Moon looking a bit squished. Wow, so what happened here? Is the...
[dx_custom_adunit mobile_id=”RTK_v1lP”] Bursts of solar flares from the Sun’s surface look spectacular, but they can pose a danger to us here on Earth...

