Once upon a time, UFO's (unidentified flying objects) were a hot discussion, especially with eyewitness accounts and video evidence from trusted individuals like pilots, giving us time to reflect on such notions.

Today, the shift of topics making a splash concern - time travel.  We've seen the movies, like "The Time Machine" (1960), "Time After Time" (1979), and "Back To The Future" (1985), bring it to our attention time and time again, but does it really exist?

Check out some of these videos I found on line, and you can be your own judge: