What If You Skydived From the ISS?

410 kilometers (254 miles) above the Earth. That’s where the International Space Station floats. What if you happened to be all the way up here but suddenly fell...

What If Russia Launched a Nuke?

Ever since Russia invaded Ukraine, the world has been afraid of one thing. Russia’s nukes. But what exactly would happen if Russian president Vladimir Putin...

What If You Were a Space Tourist?

Space tourism is happening now. Soon enough, you might be able to take your own vacation into the cosmos. What would your travel experience be like? What would you see...

What If the Earth Had No Core?

A blazing ball of fire lies deep underground. It’s Earth’s core. This colossal sphere of molten iron far beneath your feet is what made your life on Earth...