For more than five decades the US government has refused to discuss UFOs, but now, Navy pilots tell of seeing mysterious objects tracking their fighter jets – vehicles unlike anything they’ve ever seen before; top-secret Naval videos are leaked that captivate the world. Government officials, ...

A Lost Ancient Civilization left its clues across our planet in far away places. These petroglyphs are in my own backyard and seem to be giving off a RF radio frequency signal. One particular glyph is giving off an electromagnetic signal as well. Over the last millions of years, could it be ...

After years of secrecy and denial of UFOs, Japan's government officials had a shift in policy and finally started acknowledging aerial phenomena, in this clip from Season 18, "The World on Alert." #AncientAliens Subscribe for more from Ancient Aliens and other great The HISTORY Channel shows: ...