(CNN) - If he's elected in 2020, Democratic candidate Bernie Sanders said he'll tell the public if aliens are real or not. 

Sanders made the comment Tuesday on comedian Joe Rogan's podcast, according to CNN. 

When Rogan asked if Sanders would "let us know" details on extraterrestrial life, he responded, "My wife would demand that I let you know." 

Recently, a Facebook event went viral pledging to "storm Area 51." 

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