Are UFOs Just Future Humans Watching Us?

Last summer, a British astronaut made the news when he referred to someone’s theory that unidentified flying objects (UFOs) in our skies may be future humans looking back at us. Tim Peake is a decorated test pilot and was the first European Space Agency (ESA) astronaut from the United Kingdom, with over half a year spent in space including on the International Space Station (ISS); he was answering the question with good humor and skepticism.