While most attention surrounding Houston's role in getting Americans to the moon in the 1960s tends to center on the Apollo program, the one that preceded it tends to get short shrift. The Gemini ...

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.

Log-in to bookmark & organize content - it's free! Andy Saunders, author of "Gemini and Mercury Remastered," talked about his process of remastering the most famous photographs of NASA's space program ...