Our world is sleep-deprived. In the last century, people slept an average of nine hours per night. Today, more than half the world’s population gets by on less...
If our Moon suddenly vanished, Earth would already face dramatic consequences. But replacing it with entire alien worlds would take things to an entirely different level...
Could we all just be a part of our planet’s life-support system? Even from space, you can see that the planet Earth is full of life. When you take a closer look...
Swipe down for full video story! The construction of the pyramids of Giza required immense labor and coordination. For those involved, daily work was physically...
During Earth’s early days, a gargantuan collision left our planet spinning at an angle. That slight incline allowed life as you know it to flourish. But what if this...
Wouldn’t it be cool to see things through any wall and any door? How about seeing through your own skin? Or your dog? No, no, no, and no. Of all superhero powers...
Hang on because we’re about to screech to a halt. That’s right. The Earth is going to stop spinning for five seconds. How much damage would this sudden stoppage cause...
Experimenting on animals is a dark side of science and research. And most of us try not to think about the animals that experienced the horrors of testing when we buy...
For over half a century, we’ve searched for radio signals from extraterrestrial civilizations. But it’s, been, well, a little quiet. Are they ignoring us? Or...
With every rocket we launch into the Earth’s orbit, we’re trapping ourselves on our own planet. Wait, how could sending rockets into space put an end to...
How do you distinguish between past, present, and future? Is there really an order to time? Does it only move forward? Does it move in any direction at all? Stop...
Serving and protecting the United States is a big responsibility. But its seven services have things covered, even outer space. Tonight it’s sea versus sky as we...
Are we alone in this universe? Is there intelligent life out there? Or are they living among us? Humans have wondered about aliens for centuries. But, have you ever...
For centuries, humans have dreamed about finding a new home among the stars. Earth is the only planet we know that supports life, but with thousands of planets...
On the morning of February 13, 2017, travelers moved through the crowded terminals of Kuala Lumpur International Airport without noticing anything unusual. Flights...
Earth can be full of extremes. But today, there is only one extreme. Non-stop earthquakes that last an entire year. What would it be like to live under such shaky...
What if the Moon suddenly began getting closer to Earth? To the point where it was on a collision course with our planet? Would the Earth survive the crash?
Two billion years ago, Earth was a strange and hostile place. It was an era marked by dramatic climate shifts, dangerous changes in the atmosphere, and the birth of...
Our Solar System has eight planets, a few dwarf planets and more than 200 moons. But wait. Are you seeing double? Or did every planet suddenly get a twin? Where would...
The Earth is a dying rock and time is running out. You only have 10 years to plan your escape. How could we evacuate as many people as possible? What resources would we...
