It seems safe to say Chris Hadfield probably doesn't have one of those X-Files "I want to believe" UFO posters on any of his walls.
"Obviously, I've seen countless things in the sky that I don't understand," Hadfield, a former pilot for the Royal Canadian Air Force, said during a CBC Radio call-in show.
The comments came a week after long-running news magazine 60 Minutes aired a widely discussed segment on UAPs.
Hadfield added that he does think it's likely there's life somewhere else in the universe.
"But definitively up to this point, we have found no evidence of life anywhere except Earth," he said, "and we're looking.".
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