evidence: The claim: Video shows UFO during a NASA spacewalk [...] But the chyron is wrong. The purported UFO was a shield that was lost after astronauts attempted to install it on the International Space Station, according to a NASA spokesperson. [...] Based on our research, we rate FALSE the claim that a video shows a UFO during a NASA spacewalk. The floating object in the video was a shield that was lost after astronauts attempted to install it on the International Space Station.