In Spain, a significant portion of the population holds doubts about certain historical and scientific facts. A notable example is the moon landing, with 22% of people questioning whether humans actually reached the moon. Additionally, many Spaniards believe in the existence of extraterrestrial life and government cover-ups, with 28% thinking that the Earth has been visited by aliens and that this information is being hidden.

Further details on these beliefs and others, such as the percentage of people who think the Earth is flat, can be found in a recent report from El País, which provides more insight into the prevalence of these conspiracy theories in Spain.