Ancient CivilizationsWere the Pyramids built by aliens? Inside the bizarre conspiracy theory ‘backed’ by Elon Musk – after experts make astonishing discovery Posted on April 3, 2025 by Administrator They were not, so the polemic went, the work of ‘puny’ man, but instead those ‘giants of Mars’. Yes, the Pyramids of Giza – those monuments to god-like splendour that have stood for more than 4,000 years – were built by aliens. That was the ‘claim’ made by American astronomer Garrett P. Serviss in his 1898 book Edison’s Conquest of Mars.
