Many people dream of becoming an astronaut, but to achieve the dream, you have to know the steps to get there. Thankfully, there are multiple ways to potentially get to space, even if you don't rely ...

As NASA prepared astronauts for its second mission into space, National Geographic had exclusive behind-the-scenes access for the intense and out-of-this-world training these pioneers underwent.

The 10 members of the Group 24 NASA astronaut class will spend the next two years training before being eligible for flight assignments. Credit: NASA/Josh Valcarcel Lauren Edgar thought she had missed ...