What If the Ice Age Never Happened?

Imagine Earth covered in thick sheets of ice. And sea levels so low you could walk to a different continent. This is what our planet would look like during an ice age...

What If Our Oceans Froze?

  I hope you’ve packed some ice skates for your next trip out to sea because the oceans have completely frozen over. What conditions could cause this massive...

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 We Created No Waste?

In the Pacific Ocean, north of the equator, there’s a growing, “floating island” of trash that’s twice the size of Texas, and three times the...

How to Survive a Rocket Explosion

There are few situations more terrifying than the idea of being inside a spacecraft when something goes wrong. Space is already an unforgiving environment, but a rocket...