What If the Sun Swallowed Earth?

The Sun’s core is shrinking. But as its core shrinks, the Sun itself grows larger. And it will continue to grow, until one day, it engulfs the Earth. How long can you...

What If We Painted Earth White?

Imagine a white picket fence around a white house, with a white driveway and a white car. And it’s not just your house that’s white. It’s also the road...

What If We Moved Earth?

Some 5 billion years from now, the Sun will expand and become a red giant. And the Earth might be just in the way… If humans were still around then, would we leave...

What If It Rained Diamonds?

Some places in the Solar System have some pretty expensive rain falling on their surface. Let’s see if we could bring those home. What would it take for Earth to...

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...