Leading up to the historic 1969 Apollo 11 mission, ABC News built a mock Apollo command module to give viewers an inside look at how astronauts would travel to the lunar surface. See more of the ...

Though NASA expected their complicated machines would not always work right, the first deaths in the space program still came as a shock -- because the fatal mishap occurred on the ground. Gus Grissom ...

A great irony of Apollo 1 is that it kicked off the third and final phase of the manned space program, and its most anticipated, with utter tragedy. The deaths of Gus Grissom, Ed White, and Roger ...