Almost forgotten now, the mission circled the Earth for 10 days, performing a series of tests with the lunar lander. What it ...

Artemis III trades a single launch for a complex, multi-rocket test of new lunar landers.

Add Yahoo as a preferred source to see more of our stories on Google. On Dec. 21, 1968, NASA’s Apollo 8 mission launched to the moon. Apollo 8 was the second crewed mission in NASA’s Apollo program.

Click to open image viewer. This Apollo command module pressure model was part of a larger grouping built and used for wind tunnel testing conducted in the development stage of the Apollo program. The ...