Roswell, N.M. in 1947 was home to either the world's most amazing event -- the crash landing of an extraterrestrial aircraft -- or it's the world's most famous site of a crashed surveillance balloon. In July of that year, a rancher found what looked like a crash site. There was a debris field of metal, and even a hole in the ground where, he presumed, the object had made its impact. The rancher reported what he had found to authorities, and the rest is UFO history. To this day Roswell is a magnet for UFO true believers and amused skeptics alike.
Just as intriguing as the idea that an alien craft had crashed in Roswell was the companion story that the remains of its "pilots" were also found there and recovered -- and subsequently covered up -- in secrecy by the U.S. military. The idea of alien bodies recovered, along with alien aircraft parts and technology, continues to fire the imagination of those who believe in the existence of extraterrestrial life.
There were, as one version of the story goes, ultimately two Roswell UFO crash sites; one only had debris, but there were allegedly four bodies at the other site. According to reports, the bodies weren't human. The "extraterrestrial biological entities," as they were supposedly named, were 4 to 5 feet (1.2 to 1.5 meters) tall and skinny -- with large heads, big eyes and slits for mouths. They had long arms and four fingers on each hand. According to an Army nurse who said she worked on the autopsies, the aliens had very fragile skulls and bones.
We can't, of course, say with any certainty that aliens were found at the Roswell UFO crash site. We know for sure only that the military has steadfastly denied it and that no one has produced ironclad proof that bodies were ever found. Those two facts aren't likely to lessen the public's interest in the event. Even as recently as the spring of 2011, UFO enthusiasts had a brief bit of hope that the FBI had released a document confirming that aliens have indeed crashed on our planet. The FBI's Web site was flooded with people trying to access the document, as Internet rumors about it ran rampant. But, alas, the document turned out to be one that had been in the public domain for years, containing information spawned from a hoax and not considered credible [source: International Business Times].
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