The world you know no longer exists. Your family, friends, and neighbors are gone. Outside, horrific zombie-like creatures roam the streets. And if you breathe in their...
What Earth do you live on? A round one? Flat one? Maybe your world is resting on the back of a huge cosmic turtle? What about a hollow Earth? Just a planet’s shell...
The world has ended. The sky has fallen. Doomsday has come and gone. So now what? Let’s start rebuilding civilization, of course. How would you begin to come back from...
A massive earthquake knocks you off your feet. There’s a blinding flash of white, and then you see a tsunami of lava rising on the horizon. A nuclear reaction has...
In 7.5 billion years, the Sun will expand and engulf our planet, destroying all life as we know it. Of course, a mass extinction on Earth could happen much sooner than...
Taller than a six-story building. Longer than three school buses. Ten times as heavy as an elephant. The largest dinosaur ever is coming back from extinction. What would...
One billion years into the future, you might imagine a world full of artificial intelligence, interstellar travel, and space colonies. Maybe we’ll see the end of...
Deep under Europa’s thick icy surface lies an ocean larger than all of Earth’s oceans combined. But it’s pretty useless way out there. Let’s ship that water back to...
You’ve traveled thousands of light-years through interstellar star systems. And now you’re stranded on a planet you know nothing about. As long as...
The time for talk is over. Now the biggest countries on Earth are fighting for global supremacy. What would happen if the United States started World War III? Who would...
How much do you know about black holes? What would happen if you fell into one? Say one day you were exploring space looking for a new planet for humans to inhabit, but...
When you look back through the evolutionary history of life on Earth, it’s important to remember it’s always been a game of survival. And only the fittest...
It’s the oldest question on Earth. Where did we come from? Some people may thank a creator from above, but what if the hand that created humanity wasn’t...
Billions of years in the future, the Sun will begin to die. And this is what our planet would look like. But what if we turn things up a notch or two right now...
[dx_custom_adunit mobile_id=”RTK_v1lP”] Since its formation, the Earth has been revolving west to east on its axis. If one day our planet started rotating in...
[dx_custom_adunit mobile_id=”RTK_v1lP”] Not too far from Earth is a giant space rock that has silently played host to just twelve people in its entire...
You’re in the Ghostbusters universe. With a quick stomp, demons are as good as gone. So how would life change if you could bust ghosts in real life? Would you need...
When I say jump, you say how high. Let’s put this to the ultimate test by hopping around the Solar System. Literally. What differences in gravity would you experience...
Once a revolutionary invention, it's now filling up our oceans and killing thousands of whales, birds, turtles... Just how much plastic do we have around us?
China invading the U.S. is something that could turn the world on its head. Could the U.S. mobilize in time to respond? Would this be the start of World War III? The...
