Are we ALone in this world?

UFOs for some people is aliens aircraft that travel galaxies, to conquer the earth or make contact with us. But seeing is believing, i am never see this aircraft. But i heve believe is us not alone in universe, because life can be form in different way. and don't forget there million planet like earth around there.

hi there, lucas16.. UFO is short for Unidentified Flying Object. The term was coined in 1952 by the United States Air Force. check out Wikipedia for more information on UFOs in this link: http://en.wikipedia.org/wiki/Unidentified_flying_object happy myLotting!