UFOs worth investigating despite lack of 'real evidence,' former astronaut Scott Kelly says
UFOs worth investigating despite lack of 'real evidence,' former astronaut Scott Kelly says
Four-time astronaut Scott Kelly spoke with Space.com about UFOs and why air and space are so 'prone to optical illusions' that lead to reports of unidentified anomalous phenomena.
Four-time astronaut Scott Kelly spoke with Space.com about UFOs and why air and space are so 'prone to optical illusions' that lead to reports of unidentified anomalous phenomena.