Why Didn't We Go Back to the Moon?, SpaceNext50

NASA planned to send human missions to the Moon through Apollo 20. Congressional cutbacks in NASA allocations accelerated the end.

Space Race, SpaceNext50

Astronauts Explain Why Humans Haven't Returned to the Moon in Decades

Why doesn't NASA no longer have technology to go to the moon? - Quora

Moon Landing Archives, SpaceNext50

The Real Reason Why We Haven't Returned To The Moon

Why it took the U.S. 51 years to get back on the moon - The Japan

Why NASA Hasn't Put Astronauts on the Moon in 50 Years

Why haven't we gone back to the moon? — WHYY

Astronauts Explain Why Humans Haven't Returned to the Moon in Decades

Half a century after Apollo, why haven't we been back to the Moon