How big is the Sun compared to the Earth? Imagine you were able to shrink the Sun to the size of a basketball. At that point, the Earth would be reduced to the...
In a galaxy far away, gravity didn’t quite work the way it does on Earth. And the speed at which everything moved was really weird too. Maybe, some places in our...
When you look at the Earth from space, you don’t see the 241 countries and territories that we’ve divided ourselves into. You don’t see the boundaries...
In a matter of days, a nearby volcano will erupt, spewing debris and lava, and decimating your city. You know that fighting fire with fire usually makes things worse...
Things are getting hotter and hotter here on Earth, and global warming has everyone panicking. But let us try a wild idea: what if we took every drop of Earth’s water...
Contrary to what some people think, the Earth isn’t the center of the Universe. But what if it was? What if those medieval astronomers were right, and everything...
Mars is usually a safe 225 million kilometers away from Earth, but what if the red planet went off course and headed straight toward us? This nightmare scenario would...
Mountains can seem eternal, but they are constantly changing. They rise through geological forces, slowly erode, and eventually become part of the landscape around them...
There are some things you just can’t live without. Like gravity, oxygen, the Sun’s warmth. And we’re about to take those vital things away from you...
Earth is the only life-supporting planet in our Solar System. Until now. Today, we’re bringing Kepler 22-b into our planetary neighborhood. Where would this planet...
Ever had a freshly cooked steak, delivered straight from the International Space Station? Let me tell you — it’s not going to be what you might expect. You must be...
Look at the world around you. What do you see? Sometimes a cigar is just a cigar. But mostly, it’s not. Why are we so driven by sex? Has it always been this way...
Swipe Down for Full Video Story For more than 66 million years, Earth has been living through a remarkable chapter of history known as the Cenozoic Era. This enormous...
Uh-oh. Looks like somebody left the gas running on Jupiter. Don’t do anything stupid, like lighting a humongous match. What would a match need to be made of to ignite...
Space is full of treasures. Literally. If we were able to extract the resources from the rocks in the asteroid belt alone, we could give $100 billion to every...
Since Russia’s invasion of Ukraine, one question has lingered in the minds of millions around the world. What would happen if Russian President Vladimir Putin...
Welcome to Jurassic World. In real life. Let’s bring back some of the most dangerous creatures to ever roam the Earth. What could go wrong? Right? How would we be able...
Thirty centimeters. That is the width of the walkway in some places. Not a path. Not a ledge. A row of wooden boards bolted to the face of a vertical cliff, with nothing...
You have probably heard of pigeons delivering messages and horses carrying soldiers through battlefields in wartime history. But a bear serving in the army sounds almost...
Death Valley is the hottest place on Earth, with a record-setting air temperature of 57 degrees Celsius (134 degrees Fahrenheit). It’s a vast desert of oppressive...
