We all know how long a day on Earth takes, but what about the place were the sun never goes down.
Avoiding sun exposure may cause an increase in vitamin D deficiency so dangerous that it is comparable to smoking.
While there’s a vast amount of space yet to be explored, it’s easy to forget how much we’ve already learned. And this video shows you how small our little planet actually is.
This video is about the orbital mechanics of why it’s so hard to crash into the sun – the energy it takes to get there is astoundingly high, compared with leaving the solar system.
Chasing the shadow of the moon: To intercept eclipse, Alaska Airlines adjusts flight plan to delight astronomers
It was so nice of the flight crew to slow everything down for a while. There are some opportunities in life that you just can’t pass up. This was certainly one of them.