A declassified Australian report on Unidentified Flying Objects (UFO) mentions several encounters with alien life that are unexplainable.
The declassified report is located on the National Archives of Australia website and features 58 pages of compelling information on UFO sightings and strange encounters with alien creatures between 1957 and 1971. Page 32 of the report states, "50m from object, witness paralyzed (also birds and cows). Four handsome men with brown skin emerge with translucent helmets." The report also shows the United States has been involved in UFOs and conducting investigations into them since 1947.
Page 7 of the report reads as follows: "The early analyses of UFO reports by USAF Intelligence indicated that real phenomena were being reported which had flight characteristics so far in advance of US aircraft that only an extraterrestrial origin could be envisaged." Additionally, the report lists many cases where extraterrestrials were using paralysis as a way of subduing witnesses.
It should be noted that the Reddit post that has gone viral states that the report was declassified in 2021. However, after doing some investigating, I couldn't find any concrete proof of when the document was officially declassified. To check out the documents yourself, visit this link here.
Reddit Update: "EDIT 6: 2021 changed to 2008 (thanks for finding this) and also added / fixed some of the notes."