Victor Viggiani released the documents to the public during the Alien Cosmic Expo event on Saturday.
The plaque is located at the site where Bob Taylor famously encountered a strange object back in 1979.
Dutch scientists have replicated the soil on Mars to demonstrate that vegetables can be grown there.
Mysterious individuals dressed in black have been reported standing at the side of roadways in Iowa.
Catherine Moreau had been watching a movie during a routine flight when she felt something on her leg.
70-year-old Peter Lohr claims to have located five nuclear bombs inside a network of underground caverns.
Teenager William Gadoury has become a social media sensation after locating a city in the Yucatan jungle.
Scientists have warned that world governments are not doing enough to prepare for disaster scenarios.
A terrified couple in England have sketched a creature that they encountered while out driving at night.
Recent studies have suggested that diseases carried by modern humans may have proven catastrophic.
New evidence has indicated that Homo floresiensis may have died out shortly after homo sapiens arrived.
An unsuspecting feline ended up being accidentally sent through the post after hiding in a box of DVDs.
A cruise ship company in the Scottish Highlands has invested in a new boat called 'Spirit of Loch Ness'.
New scans will take place next month in a renewed bid to locate a secret room in King Tutankhamun's tomb.
Astronomers in France have managed to narrow down the area in which the new planet could be located.
A bizarre incident at a bar in Brazil recently saw an intoxicated monkey go on a knife-wielding rampage.
Geoscientist Andres Ruzo first heard about the river as a child and spent years trying to locate it.
Some types of minerals are so rare that the Earth's entire supply of them could fit in to a thimble.
The solitary feline, who has been nicknamed El Jefe, was picked up on camera in the Santa Rica Mountains.
New evidence suggests that Genyornis newtoni was wiped out because it was tasty and easy to catch.