PARAGRAPH ONE: ORIGIN OF ALIENS and THEORIES
One of the most popular theories that support and explains the existence of alien beings is the ancient astronaut theory. This theory contains three main schools of thought. Firstly, that aliens bred with our primitive forebears thereby creating modern man. The second is quite similar. Aliens performed genetic engineering on apes thereby creating the Homo Sapiens and man's intelligence. The third, and least accepted, is that colonists from another galaxy came to Earth, mated with the primitives and established a high level of culture, before being destroyed by some natural catastrophe.
It seems certain scientists have come up with other hypotheses concerning UFO's. While all astronomers yearn for a concrete explanation on UFO's, their beliefs on their origin contrast. Many looking for a more scientific definition disregard UFO's as nothing more than a mere misinterpretation of a plane, weather balloon, or meteor. Some have gone so far as to say that specific witnesses to UFO's have seen