Climate Compass on MSN

The real reason Apollo 18, 19, and 20 were canceled

Twelve people walked on the Moon, all between July 1969 and December 1972. Hardware for at least three more missions was already being built or planned when the program stopped. That gap raises an ...
Public Broadcasting Service (PBS)

The Apollo Missions

Early Apollo Missions: Earth Orbit Apollo missions flew unmanned until October 11, 1968, when Wally Schirra, Donn Eisele and ...