Apollo 17: The Final Apollo Moon Landing
Apollo 17, launched in December 1972, was the sixth and final crewed Moon landing of the 20th century — and no human has returned to the lunar surface since.
Crew and Landing Site
Apollo 17's crew was commander Eugene Cernan, Command Module pilot Ronald Evans, and Lunar Module pilot Harrison Schmitt — a professional geologist, the only scientist to walk on the Moon during Apollo. The mission landed in the Taurus-Littrow valley, a site chosen specifically for its geological diversity rather than for landing safety alone, since by this point NASA had enough landing experience to accept a more scientifically ambitious site.
Scientific Objectives and the Lunar Rover
Apollo 17 carried a Lunar Roving Vehicle, as Apollo 15 and 16 had, dramatically extending how far astronauts could travel from the Lunar Module to collect samples and set up instruments. Schmitt's geological training meant the crew could make real-time judgment calls about which rock and soil samples were scientifically significant, rather than collecting by a rigid, pre-planned checklist alone.
Extended Surface Operations
Cernan and Schmitt spent about 75 hours on the lunar surface across three separate moonwalks — the longest surface stay of any Apollo mission — and returned with 111 kilograms of samples, more than any other landing. This was Apollo operating at its most mature: not a first, cautious visit, but an extended, scientifically ambitious field expedition.
Why Apollo 17 Was Different
By Apollo 17, the basic question — can humans land on the Moon and return safely — had already been answered five times. This mission was free to prioritize geology over proving basic capability, which is exactly why it included a professional scientist and targeted a more geologically complex site than earlier, safety-prioritized landings.
Why It Became the Final Apollo Landing
NASA had originally planned additional Apollo landings, using leftover Saturn V hardware. Those missions were cancelled before Apollo 17 flew, as public interest and Congressional funding for further lunar missions declined once the Moon race against the Soviet Union had clearly been won. Apollo 17's crew knew, before they launched, that they were flying the last scheduled landing of the program.
The 1972–Artemis Gap
More than fifty years passed between Apollo 17 and Artemis I's uncrewed test flight around the Moon. That gap was not empty time — see After Apollo: The Space Shuttle and Space Station Era for what NASA spent those decades building instead.
Why Apollo 17 Matters for Understanding Artemis
Apollo 17 represents the ceiling of what the Apollo architecture could do: short landings, real but limited surface mobility, and no ability to stay for more than a few days at a time. Artemis is explicitly designed to go further than this ceiling — longer surface stays, a purpose-chosen scientifically valuable site at the lunar South Pole, and a sustainable architecture built to return repeatedly rather than end once political motivation faded again.