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 Mars Had Rings Like Saturn?

Scientists theorize that many millions of years ago, Mars had rings, just like Saturn. And it looks like the red planet could be due for a new set of rings in the future...

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...