Videos in this batch show unidentified aerial phenomena but offer few clues to existence of alien life Sign up for the Breaking News US newsletter email Videos in this batch show unidentified aerial phenomena but offer few clues to existence of alien life Sign up for the Breaking News US newsletter email The Pentagon on Friday released a second tranche of videos and documents of unidentified aerial phenomena (UAP) – or UFOs – answering few questions about the existence of alien life but fueling