America's most famous UFO case is still producing more evidence as scientists and civilians are on a mission to prove that the Roswell crash was not of this world.
The 1947 incident made headlines when the US Army Air Force issued a press release stating that it had recovered debris from a 'flying disc' — only later to reverse course, claiming that the material had really just belonged to a downed weather balloon.
Geologist Frank Kimbler is among the many experts who have challenged the military's official version of what crashed on the outskirts of this New Mexico town, where he has scoured the alleged UFO's crash site with a metal detector since 2010.
Kimbler has since uncovered over 20 unusual scraps of metal material, most no bigger than a fingernail, and has now submitted one uniquely odd metal for testing to the Discovery Channel's new series 'Alien Encounters: Fact or Fiction.'
Testing revealed that the metal was '100-percent pure aluminum,' which experts said was 'compelling evidence' that could prove aliens crashed in the area decades ago.
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