A member of the audience wears a pin that says
Unidentified aerial phenomena and unidentified flying objects have some similarities, but the terms describe different sightings.
  • Recent testimonies before Congress and meetings with NASA have renewed interest in UAPs and UFOs.
  • There are differences between UAPs and UFOs, especially related to potential proof of alien life.
  • Here's everything you need to know about UAPs and UFOs — including what they stand for. 

On Wednesday, a former intelligence officer testified in front of Congress that the US government has evidence of alien life.