Deep beneath the Earth’s surface, there’s a scorching ball of iron surrounded by an ocean of boiling hot liquid metal – the Earth’s core...
They’re in your yard, on your walls, in your attic, and there’s probably one near you right now. The thought of these creepy crawlers might make you want to go on an...
Scroll down to watch the video. Imagine if we could control earthquakes and tsunamis to generate power. Or maybe even terraform every planet in the solar system. These...
It’s almost as old as the Universe, and as massive as 34 billion Suns. It eats stars for breakfast. And now it’s about to consume our own. Behold, the great...
For decades, the Moon has symbolized exploration, scientific discovery, and national pride. Today, it has become the focus of a new competition between the United States...
Meet comet 3I/Atlas. A collision with this rock would release the same kind of energy that a certain other asteroid did 66 million years ago, ending the reign of the...
Would you drink water that was extracted from the Moon? With NASA’s recent discovery of water on the Moon’s surface, it might become a more common practice...
If you could step into a time machine and travel 1,000 years into the future, would you even recognize humanity? Would we still look like we do today, or would...
Imagine your bedroom infested with these tiny bugs. But, what if they were the same size as us? How much blood would a giant bed bug drink? How fast could they take over...
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...
A remote stretch of desert. A field littered with strange metallic debris. Military officials rushing to the scene. And a headline that would ignite one of the most...
Imagine waking up on a version of Earth where the sky glows yellow, the air scorches your lungs, and the ground melts your shoes. That is what life would look like if...
A series of powerful earthquakes recently struck Venezuela, including two major tremors measuring around magnitude 7.2 and 7.5. The back to back quakes hit west of...
Where did life on Earth come from? It is one of humanity’s oldest and most fascinating questions. For centuries, people have searched for answers in religion...
When people say “follow your heart,” it usually sounds like poetic advice. We associate the heart with love, courage, heartbreak, and instinct. But what if...
Spanning more than 66 million years, the Cenozoic Era shaped the world we live in today. From the rise of mammals to the emergence of modern humans, this era tells a...
Today on What If, we’re going to build the highest bridge on planet Earth. Welcome to the Qinghai-Tibet Plateau, the “Roof of the World.”It’s home to the world’s...
This is the Sun. And this is a neutron star. But don’t let its size fool you. Neutron stars are massive gravitational monsters, and orbiting one wouldn’t end...
Scroll down to watch our video. Unless you’re an astronaut, you probably don’t spend a lot of time thinking about gravity. We all take gravity for granted...
Grizzly bears are a North American subspecies of brown bears. And it’s scary that brown bear attacks are increasing all over the planet. Between 2000 and 2015, there...
