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...
Space tourism is much closer than you may think. The International Space Station will soon retire from its successful run through low Earth orbit. But humanity’s...
The Paleozoic Era represents one of the most transformative periods in Earth’s history, spanning approximately 289 million years from 541 to 252 million years ago...
Behind you, a colossal hurricane, moments away from making landfall. In front of you, a towering tornado, fast-tracking its way toward the opposing storm. And you...
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...
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...
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...
Could Thor actually punch the Hulk without knocking himself over?
The year is 2040. You hunker down with your fellow human survivors, listening for the sound of your enemy. The cyber-bugs have taken over. How did this happen? What...
When you think of dinosaurs, images of giant, scaly reptiles like the Tyrannosaurus Rex probably come to mind. Movies, textbooks, and popular culture have shaped our...
Mount Hua, China This hike leads to the South Peak of Huashan, one of the Five Great Mountains of China. Its summit stands at about 2,155 m (7,100 ft), and the infamous...
Imagine a world where we didn’t need any lights, where we could detect diseases just by looking at someone, and literally see right through people’s...
If you were just three times stronger than the world’s strongest person, you could lift a compact car. What else could you do? Or, not do? Would superhuman...
Imagine a world where you could move objects with your mind, cure cancer with microscopic machines, or even live to be 1,000 years old. The future of science is...
Scroll to the bottom to watch the video. They’re not the biggest falls on Earth, not by a long shot. But they’re certainly among the most famous. Niagara...
Whether it’s an act of war or terrorism, all that really matters in the moments after the blast is that there are ways to save yourself and your loved ones...
[dx_custom_adunit mobile_id=”RTK_v1lP”] Since its formation, the Earth has been revolving west to east on its axis. If one day our planet started rotating in...
There’s a giant, peanut-shaped object orbiting the Sun, and it’s name is Halley’s comet. Like all comets, it’s a cosmic mashup of frozen ice, gases, and dust...
They are massive, and extremely dense. They rip apart anything and everything that gets close to them. Their gravity is so strong that even light can’t escape. We...
What if there are other universes, just like ours? With an infinite number of Earths? With uncountable versions of you? And what if we don’t have to look too far...
