Rockets Launched Into The Northern Lights in 4K Ultra HD

Ronn Murray shows off some absolutely stunning footage of the Aurora Borealis and rockets fired from the University of Alaska, Fairbanks.

The Structure Of The Earth

Want to know a little more about what’s beneath your feet? It’s Okay To Be Smart has you covered.

Why Do Clouds Stay Up?

It’s Okay To Be Smart explains not only how clouds are formed (pretty sure we all know that), but how they stay in the sky. Check it out.

What Is The Speed of Dark?

What’s faster, light or dark? VSauce breaks it down.

What Causes Auroras?

“The Aurora Borealis? At this time of year? At this time of day? In this part of the country? Localized entirely within your kitchen?!”

…Not quite, but SciShow explains how it works.