[dx_custom_adunit mobile_id=”RTK_v1lP”] The Earth sits comfortably in its orbit tilted on its axis at 23 degrees. Knock the planet over – and it...
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...
410 kilometers (254 miles) above the Earth. That’s where the International Space Station floats. What if you happened to be all the way up here but suddenly fell...
Just four light-years from Earth lies the closest known exoplanet, Proxima Centauri b. It has captured imaginations because it could be one of the first exoplanets where...
The next step in space exploration isn’t generations away. It’s happening right now. And our destination? That mysterious, desolate world next door, Mars...
Climbing the world’s tallest mountains is a daring adventure. But you’re about to make an epic extraterrestrial trek on the biggest mountain in the entire Solar...
Scroll down to watch our video. It can instantly cause severe burns on your skin. It can even dissolve things like limestone and concrete. This is battery acid. Now...
When most people think of terrifying places, outer space often comes to mind. After all, it is a vacuum of extreme temperatures, high radiation, and deadly vacuum...
An ancient creature is lurking in the ocean. It’s double the size of a T.rex. Its gigantic jaws could crush a car. And now, it’s on the hunt for you...
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 dangerous place, and we’re not...
It’s about to get Old Testament here. What if the creepiest, crawliest, most catastrophic member of the Plagues of Egypt made an unexpected housecall? And decided your...
Humans have explored the Moon, Mars, and of course, Earth. But what do we know about Jupiter? For the most part, this gas giant is a mystery. So what would happen if you...
We visit a lot of planets here on WHAT IF, but K2-141b is the most extreme one yet. Are you ready to jump on board this one-way space shuttle? If you’d rather stay...
The biggest planet in the Solar System. And the smallest star in the known Universe. Today, they are on a collision course. And Earth might not survive this. Meet the...
Our planet has seen this before. Its ice has already melted. Water levels have risen. Ocean currents have already stopped. The last time this happened was 13,000 years...
Imagine being transported 500 million years into Earth’s past, landing in a world that feels both alien and dangerously unfamiliar. You have just arrived in the Cambrian...
Earth is already known as the blue planet, with 70% of its surface covered by oceans. But what if the remaining 30% of land suddenly disappeared? The consequences would...
Out of all the planets in the Universe, Earth is clearly the best for life, right? Wrong. Earth may be great, but scientists have discovered a few worlds that could be...
One day, we want to take humanity into space. But why don’t we start small? Take one solar power station, 10,000 people, and 10 million tons of crumbled Moon rock...
It may sound like science fiction, but imagining a battle between a gas giant and a black hole helps us understand just how fragile our Solar System really is. Such a...

