Earth’s Evolution in 10 Minutes

In the past few billion years, Earth has been pummeled by asteroids, crashed into other planets and frozen over several times. Not to mention being ruled by all kinds of...

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 the Sun Dimmed Down?

The sky appears darker. The temperature is starting to drop. Our rivers are freezing, crops are covered in snow! People could go hungry. Is it just me, or is the Sun...

What If You Fell Through the Earth?

As thrill-seekers, we like to do a lot of extreme, gravity-defying stunts to push our limits. If base jumping or caving is your thing, how about taking a tumble all the...