The Apollo astronauts who carried lunar dust back into the cabin kept making the same strange report — fresh Moon dust smelled like spent gunpowder — yet the smell never survived the trip home, and more than fifty years later no one has fully explained what they were breathing in up there.

The Apollo astronauts who tracked Moon dust back into their cabin kept filing the same odd report. Fresh lunar dust, they said, smelled like spent gunpowder. The impression was immediate, and it was reported by multiple crews. Yet the smell never survived the trip home. By the time the samples were opened in laboratories on [...] The post The Apollo astronauts who carried lunar dust back into the cabin kept making the same strange report — fresh Moon dust smelled like spent gunpowder — yet the s