But the closest NASA came to losing astronauts during the race to the Moon was a little-known incident in 1966, during the Gemini missions. Specifically, Gemini 8, whose 50th anniversary has just ...

Here’s how it works. On March 31, 1962, NASA approved the design of the new Gemini spacecraft. This small capsule could carry two astronauts into space at a time. NASA created the Gemini program ...