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...

What If We Built a Stanford Torus?

One day, we want to take humanity into space. But why don’t we start small? Take one solar power station, 10,000 people, and 10 million tons of crumbled Moon rock...

What If Aliens Arrived Tomorrow?

Are we alone in the Universe? With more than 100 billion galaxies in the observable universe and at least 500 billion planets in the Milky Way alone, don’t you...

What If Earth Had Jupiter’s Moons?

Imagine looking up into the night sky and seeing not one but 79 different moons beaming back at you. What would this new night sky look like? How would this affect the...

What If Algae Took Over the Oceans?

Would you take your next vacation to this slimy beach? Well, what if most of our beaches were starting to look like this, because our oceans were quickly being taken...

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...

What If We Drilled Through Mars?

  If you were to drill straight down into Mars, what would you find? Would the red planet reveal its true colors? Would you finally discover life on Mars? And how...

What If Earthquakes Lasted a Year?

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...