What If Pangea Never Broke Apart?

Millions of years ago, the Earth looked very different. A huge landmass, called Pangea, covered about a third of our planet. But about 175 million years ago, the Earth...

10 Events That Will End the World

In the center of our Solar System, there is a ticking bomb. And when it explodes, it will end all life on Earth. That ticking bomb is our Sun. Like all the stars in the...

What If the Moon Was Flat?

No, that’s not Photoshop. That’s an actual video from the International Space Station of the Moon looking a bit squished. Wow, so what happened here? Is the...

What If All Plankton Disappeared?

[dx_custom_adunit mobile_id=”RTK_v1lP”] Most people have never seen these tiny creatures before, but they may be the most vital organisms on Earth. Say hello...

What If All Men Disappeared?

How would the world change if, all of a sudden, every biological man disappeared? Would the world become more peaceful? Why would you have to ration food? And why...

What If Mammoths Never Went Extinct?

A team of Russian scientists is working hard to resurrect this quintessential Ice Age behemoth. But what if they never disappeared in the first place, and still roamed...

What If We Had Two Suns?

[dx_custom_adunit mobile_id=”RTK_v1lP”] There are sunsets on other planets even more spectacular than the ones on Earth. What if we could see not just one...