When Neil Armstrong Aldrin reflected on Apollo 11, they were looking backward at a moment that reshaped history.

By 1967, NASA had wrapped up the Mercury and Gemini programs and was preparing for the launch of the first Apollo-series spacecraft.

The Apollo missions showed exact science at work. Each part needed to be close to perfection from start to finish. NASA succeeded with 1960s tools—a remarkable feat. Though it was still cutting-edge ...

Apollo program is the first manned space flight program for the moon promoted by the United States. Computer historian Ken Siriff has released an image for obtaining the pre-modulation processor (PMP) ...

On Jan. 22, 1968, NASA launched Apollo 5, marking the first time the Apollo Lunar Module flew in space and a critical step toward landing astronauts on the Moon.

This combination of photos shows the Saturn V rocket with Apollo 12's spacecraft aboard on the launch pad at the Kennedy Space Center in 1969, left. At right is NASA's new moon rocket for the Artemis ...

The Saturn V did not cruise to the Moon at a single speed, it accelerated through distinct phases, briefly peaking at a blistering velocity during the burn that hurled Apollo spacecraft out of Earth ...

That's one small step for a man. One very expensive leap for the United States. Okay, sure, some would argue focusing on the total cost of the Apollo program defeats the purpose. Stepping onto the ...