Apollo Aliens
https://en.wikipedia.org/wiki/Apollo_program
https://www.gaia.com/lp/content/what-did-nasa-really-discover-on-the-moon/
https://io9.gizmodo.com/the-real-story-of-apollo-17-and-why-we-never-went-ba-1670503448
https://www.techworm.net/2016/06/nasa-alien-ufo-apollo-17-mission-crew-moon-conspiracy-theorists.html
http://coolinterestingstuff.com/secret-moon-base-conspiracy

Ancient Mars Civilizations
https://arstechnica.com/science/2017/07/yes-ancient-civilizations-on-mars-sounds-crazy-and-yet/
https://en.wikipedia.org/wiki/Richard_C._Hoagland

Stanley Kubrick and the Moon Landings
https://en.wikipedia.org/wiki/Moon_landing_conspiracy_theories
http://www.dazeddigital.com/artsandculture/article/28293/1/was-the-shining-a-cover-up-for-a-faked-apollo-moon-landing

Hollow Earth Theory
https://www.thesun.co.uk/news/5195430/inside-the-weird-world-of-conspiracy-theorists-convinced-the-earth-is-hollow-with-alien-humans-and-nazis-living-inside/
https://en.wikipedia.org/wiki/Hollow_Earth
https://en.wikipedia.org/wiki/John_Cleves_Symmes_Jr.#The_Hollow_Earth
http://www.ourhollowearth.com/ourhollo/p3.html

Dead Cosmonauts
https://en.wikipedia.org/wiki/Lost_Cosmonauts#Purported_Czech_information_leak
https://en.wikipedia.org/wiki/Judica-Cordiglia_brothers

Secret Moonbase
http://coolinterestingstuff.com/secret-moon-base-conspiracy
http://www.unboundworlds.com/2016/05/the-secret-history-of-nazis-on-the-moon/
https://en.wikipedia.org/wiki/V-1_flying_bomb

Satellite 193
https://en.wikipedia.org/wiki/USA-193
https://en.wikipedia.org/wiki/Operation_Burnt_Frost

Majestic 12
https://en.wikipedia.org/wiki/Majestic_12
https://en.wikipedia.org/wiki/Stanton_T._Friedman

A Solar Powered UFO
https://www.youtube.com/watch?v=PyHzv-QpRls
https://www.express.co.uk/news/weird/737818/Aliens-drain-solar-energy-monster-UFOs-Sun-NASA-SOHO
http://www.digitaljournal.com/article/321151
https://www.space.com/14894-refueling-ufo-solar-prominence.html

SpaceX isn't Real
https://nerdist.com/spacexs-falcon-heavy-success-has-spawned-bizarre-conspiracy-theories/
https://www.indy100.com/article/conspiracy-theorist-planet-x-nibiru-spacex-elon-musk-falcon-9-heavy-rocket-apocalypse-us-government-8146266
https://www.standard.co.uk/news/world/spacex-falcon-heavy-rocket-conspiracy-theorists-flat-earth-society-blast-elon-musks-astonishing-a3761471.html
https://en.wikipedia.org/wiki/Modern_flat_Earth_societies