Former NASA astronaut Scott Kelly is no stranger to the skies. Kelly, a four-time spaceflyer, one-time space shuttle pilot and three-time International Space Station commander, was a participant in the first public meeting of the NASA study group formed to examine data related to unidentified anomalous phenomena (UAP), a new term for sightings of objects or occurrences in the sky, underwater or in space that can't be immediately explained or identified. The meeting, held on Wednesday (May 31), saw experts from a wide variety of fields present both analyses of UAP sightings and proposals on how NASA and other government...