Will humans ever be able to live on other planets? Former NASA astronaut Dr. Dave Williams is the person to ask. 

It turns out that Earth is a pretty good place to live. Finding other habitable environments ...

Find out what it takes to become an astronaut—from someone who knows!
How many kids aspire to become an astronaut one day? Wouldn’t it be great to float in space and do neat experiments? But before ...

An informative and humorous look at what happens to your body in space – by someone who has been there.

Of all the questions astronauts are asked by kids, the most frequent one is "How do you go to ...