Cutting-edge animation and live-action recreations help us "imagine" an alien spacecraft. How many amazing devices and mechanisms are really possible?

Does the Canadian government know more than it's telling about a possible extraterrestrial visitation from the 1960s? Lingering questions prompt researchers to dive back in to a long-closed investigation.

After commercial Airplanes have been forced on USA to install the "Black Box" they catch many records about UFO's apparitions in several spots, such recordings somehow caught in the hands of UFO's researchers which were expose on episode.

Some experts claim that the wreckage and even the pilots from UFO crashes are transported to a top-secret facility called Hangar 18. Is there a conspiracy to hide this evidence, or is it all just a myth?