Hillary Clinton Hillary Diane Rodham ClintonBiden courts veterans amid fallout from Trump military controversies Biden looks to shore up Latino support in Florida MLB owner: It's 'very necessary' to vote for Trump MORE says that aliens may have already visited humanity.

"I think we may have been [visited already]. We don't know for sure," the Democratic presidential front-runner told The Conway Daily Sun during a campaign stop in New Hampshire last week.

Hillary Clinton told a Sun reporter that she would "get to the bottom" of UFOs. The reporter said the two spoke before, in 2007, when Hillary Clinton said the top open-records request her husband receive at his library involved UFOs.