Question

Which fallacy does this argument contain? No scientist has been able to disprove the possible existence of aliens. Therefore, we may assume that extraterrestrials exist. begging the question appeal to logic argument from ignorance bandwagon

Answer 1

It should be argument from ignorance because an appeal to logic is not a fallacy, while begging the question is not always a fallacy. Bandwagonning is when you believe something because everyone else believes it.