For the better part of a century, we believed there were nine planets in our solar system, with Pluto being the farthest from ...

As we explore the amazing realities of this space station, get ready to learn some of the most astounding facts about the ISS. NASA’s International Space Station reveals 15 surprising truths ...

But among the many facts about NASA that you should ... as well as the first woman to command the International Space Station twice. Here are 16 more amazing women you probably didn’t learn ...