40 Years after the Apollo Moon Missions

In December 1972, astronauts left the lunar surface for the last time

Once upon a Time: The Story of the Apollo Program [Timeline]

December marks the 40th anniversary of humankind's last departure from the moon


Luna-Trips: Upstart Firm Plans to Sell Round-Trip Journeys to the Moon

Golden Spike, helmed by former NASA officials, wants to return human explorers to the lunar surface--for a price


Down to Earth: The Apollo Moon Missions That Never Were

As the U.S.'s lunar landing program wound down, plans for its last three Apollo missions were canceled, leaving unused hardware and questions of what might have been


For Neil Armstrong, the First Moon Walker, It Was All about Landing the Eagle

Boulders, a crater, moon dust and an overworked computer all stood in the way of humankind's first lunar touchdown


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