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 We Built a City on Mars?

The next step in space exploration isn’t generations away. It’s happening right now. And our destination? That mysterious, desolate world next door, Mars...

What If All Oceans Turned Into Acid?

Scroll down to watch our video. It can instantly cause severe burns on your skin. It can even dissolve things like limestone and concrete. This is battery acid. Now...

What If You Fell Into Jupiter?

Humans have explored the Moon, Mars, and of course, Earth. But what do we know about Jupiter? For the most part, this gas giant is a mystery. So what would happen if you...

What If the Gulf Stream Stopped?

Our planet has seen this before. Its ice has already melted. Water levels have risen. Ocean currents have already stopped. The last time this happened was 13,000 years...

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...