Documented sightings reported in Moon, sorted from most recent.
On December 11, 1972 the Apollo 17 crew described 'jagged angular fragments' tumbling past the spacecraft windows - 'the Fourth of July out of Ron's window.' The Pentagon re-classified the photographs from 'insulation' to 'potentially physical object' on May 8, 2026.
Apollo 14 lunar module pilot Edgar Mitchell - the sixth man on the Moon - became the most prominent US astronaut to publicly assert that the Roswell incident was real and that ETs visit Earth.
Apollo 12 photographs of bright unidentified objects above the lunar horizon were re-classified by the Department of War on May 8, 2026 from 'photographic artifact' to 'potentially the result of a physical object.'
Apollo 11 crew observed a luminous object pacing their spacecraft during translunar coast; the apocryphal 'they're warning us off' Armstrong transmission is the most-repeated UFO claim of the lunar era.