Welcome to one of the most restricted countries in the world. North Korea is often described by analysts and defectors as a tightly controlled state where everyday life...
The Moon’s surface is made up of long-dead volcanoes and impact craters from asteroids. But have you ever wondered what might be inside it? We could find out one...
Imagine, instead of looking up and seeing the stars, you see something like this: Coca-Cola ads are seen on billboards, magazines, online and now in space. How would...
Time travel sounds like a gift until you look at the destinations. Earth has spent 4.5 billion years cycling through conditions that would kill a modern human within...
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...
So, is our world just an illusion? Why do some physicists believe that physical matter isn’t real? What scientific experiments have changed our view of reality...
Imagine walking into a classroom where there is no teacher standing at the front of the room. Instead, every student is guided by an artificial intelligence system that...
The reason why we’re able to see Betelgeuse so clearly from 640 light years away is because it’s massive. In fact, it’s 12–20 times more massive than...
Your body is shaking and you’re feeling nauseous. There’s a sharp pain in your chest, and with each passing moment, it gets harder and harder to breathe. And...
In the underwater world, finding a mate can require some unusual strategies. While many animals compete with strength, colors, or displays of dominance, one tiny ocean...
Are you ready for the trip of a lifetime? Because this not so little machine is about to take you on one. A trip back in time. What would you need for this time travel...
What causes moonquakes? What would happen if half of our Moon drifted away? Has the Moon already split in half? As friendly neighbors in the sky, the Moon and Earth have...
Dane Kieser was 16 years old, a high school rugby player from Pretoria, South Africa. Strong, athletic and familiar with lions, he had spent time around animals at the...
[dx_custom_adunit mobile_id=”RTK_v1lP”] You’ve heard all the scary rumors surrounding vaccines: they cause autism, they contain toxins. Even that they...
What do saber-toothed tigers, woolly mammoths and the dodo all have in common? They’re all extinct, and some theorize humans played a large part in this. What if...
A family vacation in Florida was supposed to be a relaxing escape filled with sunshine, fishing and swimming. Instead, one afternoon turned into a terrifying fight for...
Building a permanent base on the Moon has always come with one major challenge: how do you transport enough construction materials from Earth? Every kilogram launched...
It can instantly cause severe burns on your skin. It can even dissolve things like limestone and concrete. This is battery acid. Now instead of this acid being inside...
Most caves are dark, quiet places filled with rock formations and underground tunnels. But hidden beneath the jungles of Vietnam is a cave so enormous that it contains...
Deep beneath the mountains near the Black Sea lies Veryovkina Cave, the deepest known cave on Earth. The cave is filled with narrow tunnels, underground rivers, freezing...
