This 2022 YouGov poll finds that skepticism regarding the existence of aliens had declined since the 1990s, when — according to a 1996 poll by Newsweek — only 20% of Americans believed that Unidentified Flying Objects (UFOs) were more likely to be proof of alien life than to have a natural scientific explanation (32%). Today, 34% of Americans believe UFOs are likely alien ships or life forms, while only 32% say they’re likely to have a scientific explanation.