The hollow moon conspiracy theory came about during the Apollo missions in 1969. Conspiracy theorists misinterpreted the results of the astronauts’ seismic experiments, leading them to believe the ...

The Moon’s most famous “sound” was never heard by human ears. It was traced instead in jagged lines on Apollo-era seismographs, a slow fade of vibrations that seemed to go on far longer than anything ...

Moon inner core discovery: For years, the Moon has been at the center of some of the wildest theories imaginable. Some theorists argued it was hollow, while others insisted it was an alien outpost, ...