'Oumuamua almost slipped past Earth before an astronomer caught sight of this weird object. What was it? Some scientists thought it was just a comet; others, like Harvard astronomer Avi Loeb, theorized it could be an alien spacecraft. And why not? While tabloid aliens elicit giggles, loads of serious scientists, statesmen, and even members of the military, consider extraterrestrial life a real possibility.

*Season 2 of Wild Thing is produced by Laura Krantz and Scott Carney. Editing by Alicia Lipinski. Music and mixing by Louis Weeks.