Aliens are beings that did not originate on planet Earth but are from another part of the
majority of aliens that are discussed are usually advanced species - intelligent,
and with superior technology than human beings.
Popular claims involve alien visitation on
earth, abductions, ufo sightings, ancient astronauts and other paranormal phenomena. Several
people have claimed to have witnessed an alien visitation and some people believe they been
abducted be aliens and experimented upon. The common depiction of the extraterrestrial is
thin, formless body with a big oval green head and slanting eyes although new and creative
examples are surfacing all the time.
Claims about aliens are extremely popular in our 21st
Century - movies, books, video games and tabloid headlines often explore the subject. Their
popularity has increased since the Roswell Incident in 1945. Claims associated with aliens
often combined with conspiracy theories - such as the government is intentionally
the truth about alien visitation and activity on Earth and that captive aliens are kept in
secret locales throughout the world.
Considering the vast expanse of our universe it is considered acceptable through the
equation known as "Drake's Equation" to believe that life exists elsewhere in the universe.
claim, however, is often confused with the claim that intelligent life-forms have visited
The two claims are not synonymous.
We have explored our own solar system to such an extent that we can reasonably conclude no
advanced civilizations exist. The closest possibility is 4 light years away in the Andromeda
Galaxy. Light takes 40,000 years to travel this distance and objects with mass take even
If alien visitation was possible, the aliens would either have to live on the spaceship for
generations, have excessively long life spans, or have technology capable of defying the
physics. Other possibilities have been devised but still, the final decision is made based
evidence. No tangible evidence is available to support the alien visitation claims nor that
aliens exist. No radar or satellite has picked up an anomaly in space that could clearly be
defined as a flying saucer, or messages and technological signals from an alien
The variety of phenomena often included under the auspices of aliens and ufos have proved to
other objects and experiences. The personal experiences and eyewitness testimonies that are
recounted in cases of sightings and abductions often prove to have alternate explanations. A
long list of mind and emotional phenomena provide some information for the claims. The
unreliability of memory, hallucinations, and personal trauma are possible factors involved
the experiences recounted.