Jupiter is the king of moons. With 95 of them orbiting the gas giant, some are so large they rival planets in size. But what would it actually be like to live on one of...
But how would a second moon affect the ocean tides? Would months on Earth become longer or shorter? And would these two satellites inevitably collide to cause a...
This former intelligence officer-turned-president took Russia from a defeated Cold War relic to the most feared superpower in Eurasia. Now Vladimir Putin, who many have...
Scroll down to watch the video. Imagine the Mediterranean Sea is disappearing! Old shipwrecks are rearing their ugly heads as the water drains around them, and...
What if, someday, we decided that the usefulness of our planet had run its course, and humans needed to scour space to find somewhere new to live? But instead of finding...
Even if Titan were much closer to Earth, creating a permanent settlement there would still be one of humanity’s greatest engineering challenges. But among all the...
If you traveled to the deepest points of Earth, what would you find? Lost cities, mythical sea monsters, rivers of gold? Probably not. But there is still a lot to...
Burj Khalifa, the tallest building in the world. This masterpiece in Dubai is twice the height of the U.S.’s Empire State Building. And it’s almost three...
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...
It’s January 13, 2012. Passengers from around the world step aboard the Costa Concordia, a floating city disguised as a cruise ship. Casinos, theaters, pools...
When most people think of terrifying places, outer space often comes to mind. After all, it is a vacuum of extreme temperatures, high radiation, and deadly vacuum...
You are hiking through a beautiful winter landscape when the weather suddenly changes. A snowstorm moves in, visibility disappears, and you realize you are no longer...
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...
You’ve done this more than a dozen times. The tallest mountain in the world is your workplace, and you know it like the palm of your hand. Unfortunately, your companions...
For years, Action Park in New Jersey was known as the most dangerous amusement park in America. Thousands of visitors left with cuts, broken bones, burns, and stitches...
What could be the most brutal way for an insect to die? Being struck out of the air by a predator? Snatched in a split second by a reptile’s tongue? Or something far...
Scientists theorize that many millions of years ago, Mars had rings, just like Saturn. And it looks like the red planet could be due for a new set of rings in the future...
Deep beneath the thick layer of million-year-old ice, something is lurking quietly, waiting to rip through the rigid ice sheets. This enormous icy wasteland is sitting...
You are driving alone through a quiet countryside road at dusk when something strange appears in the sky. A sudden white light floods your vision. The car trembles. Your...
The Kardashev Scale, first introduced by Russian astronomer Nikolai Kardashev, is a way of measuring how advanced a civilization is based on how much energy it can...
