Militaries around the world are money-eating machines. And they keep getting more expensive. In 2019, the world spent $1.917 trillion on all the different militaries...
Imagine waking up one morning to discover that something invisible and incredibly dense was moving toward Earth. It would not be an asteroid, a black hole, or an...
You are exhausted. Your clothes are soaked, your skin is covered in sand, and your entire body is shaking from the cold. Every step feels impossible. Your hands and feet...
Dan Wherley never thought of beavers as dangerous. Slow, harmless, busy building dams somewhere out of the way. That opinion changed in about two seconds, when one leapt...
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...
Earth has gone through at least five major ice ages in its history. And you better start adapting now. Because another ice age is about to begin. Hypothetically. How...
As thrill-seekers, we like to do a lot of extreme, gravity-defying stunts to push our limits. If base jumping or caving is your thing, how about taking a tumble all the...
The beach is one of the first places we think of when we hear the word sand. But sand is far more important than building castles or relaxing by the ocean. It is one of...
[dx_custom_adunit mobile_id=”RTK_v1lP”] You’ve seen it in the movies and read about it in books, but now the idea of creating artificial life in a...
When people think about space threats, they usually imagine asteroid impacts, solar storms, or distant supernova explosions. But some scientists warn that the most...
Millions of years ago, early humans lived in a world where survival was anything but guaranteed. Wild predators, unpredictable weather, and deadly diseases constantly...
Some 13.8 billion years ago, a very hot, small and dense singularity expanded into what we now call the Universe. It hasn't stopped growing since. But what if it did?
Are all of your memories real? Did everything happen the way you remember it? What if somebody filled your brain with memories that aren’t yours? Would you be able...
For most of human history, living to old age was a rare achievement. Just over a century ago, the average life expectancy in the United States was only around 50 years...
Imagine walking down a busy city street and passing someone who looks almost human but not quite. They are shorter, broader, with a larger brow ridge and a more powerful...
Most of Bhopal was asleep when the disaster began. It was late on December 2, 1984, and millions of people had settled into the night, unaware that a deadly chemical...
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 Earth covered in thick sheets of ice. And sea levels so low you could walk to a different continent. This is what our planet would look like during an ice age...
Your day at a marine park went terribly wrong.You got so excited that you didn’t watch your step and fell into a tank filled with 9 m (29 ft) killer whales. Now...
22,000 Pounds of Rock Falling Every Second, That Is What Living Under Martian Rings Means
Picture standing on Mars and looking up at a ring stretching across the sky. Beautiful, until you understand what those rings eventually do. Every piece of that debris...

