Originally Posted by Wikipedia

An unidentified flying object, or UFO, is any real or apparent flying object which cannot be identified by the observer and which remains unidentified after investigation.
Sightings of unusual aerial phenomena date back to ancient times, but reports of UFO sightings started becoming more common after the first widely publicized U.S. sighting in 1947. Many tens of thousands of such claimed observations have since been reported worldwide, and it is very likely many more go unreported due to fear of public ridicule because of the social stigma created around the UFO topic.
In popular culture throughout the world, UFO is commonly used to refer to any hypothetical alien spacecraft but the term flying saucer is also regularly used. Once a UFO is identified as a known object (for example an aircraft or weather balloon), it ceases to be a UFO and becomes an identified object. In such cases, it is inaccurate to continue to use the acronym UFO to describe the object.

Originally Posted by pouta

dude thats so silly...ufo's do not exist ..since when they do exist they are airplanes coming out from area 51O_o

Originally Posted by wikipedia

UFO and other conspiracy theories concerning Area 51

Its secretive nature and undoubted connection to classified aircraft research, together with reports of unusual phenomena, have led Area 51 to become a focus of modern UFO and conspiracy theory. Some of the unconventional activities claimed to be underway at Area 51 include:

• The storage, examination, and reverse engineering of crashed alien spacecraft (including material supposedly recovered at Roswell), the study of their occupants (living and dead), and the manufacture of aircraft based on alien technology.
• Meetings or joint undertakings with extraterrestrials.
• The development of exotic energy weapons (for SDI applications or otherwise) or means of weather control.
• The development of time travel technology.
• Activities related to a supposed shadowy one world government.

Many of the hypotheses concern underground facilities at Groom or at nearby Papoose Lake, and include claims of a transcontinental underground railroad system, a disappearing airstrip (nicknamed the "Cheshire Airstrip", after Lewis Carroll's Cheshire cat) which briefly appears when water is sprayed onto its camouflaged asphalt [9], and engineering based on alien technology. In 1989, Bob Lazar claimed that he had worked at a facility at Papoose Lake (which he called S-4) on such a U.S. Government flying saucer. One major hypothesis is that Area 51 is a place which simulates the environment of the moon. In 2000-2001, Fox Television broadcast a show about Apollo moon landing hoax accusations, in which it was suggested that the whole moon landing in 1969 was a hoax and was filmed in parts of Area 51.
http://upload.wikimedia.org/wikipedi...ninterview.jpg A screenshot of Victor's alien interrogation video.


Others, however, claim that during the mid 1990s, the most secret work previously done at Groom was quietly moved to other facilities, including Dugway Proving Ground in Utah, and that the continued secrecy around Groom is largely a successful attempt at misdirection[10].
In July 1996, a man named Victor came forward and said on Art Bell's Coast to Coast AM radio show that he had a videotape of an alien interrogation. He said that he copied the tape and smuggled the copy out of Area 51. The video showed the head of an alien in a dark room, possibly using telepathy to communicate with military personnel and scientists[11] and was eventually included in a documentary entitled Area 51: The Alien Interview.